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暗夜发光,独自闪耀,盘点网页暗黑模式(DarkMode)下的特效和动效,CSS3实现

2023-03-23 143
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简介： 众所周知，网页的暗黑模式可以减少屏幕反射和蓝光辐射，减少眼睛的疲劳感，特别是在夜间使用时更为明显。其实暗黑模式也给霓虹灯效应（Neon Effect）提供了发挥的环境。霓虹灯效应是一种视觉效果，其特点是在深色背景上使用鲜艳的颜色来产生强烈的视觉冲击。这种效应通常用于设计海报、广告、标志和网页等。霓虹灯效应的作用在于吸引人们的注意力和增强品牌形象的辨识度，因为这种效果让人印象深刻且易于记忆，本次我们盘点适合暗色模式的网页特效，还是喜欢，暗夜的你。

众所周知，网页的暗黑模式可以减少屏幕反射和蓝光辐射，减少眼睛的疲劳感，特别是在夜间使用时更为明显。其实暗黑模式也给霓虹灯效应（Neon Effect）提供了发挥的环境。

霓虹灯效应是一种视觉效果，其特点是在深色背景上使用鲜艳的颜色来产生强烈的视觉冲击。这种效应通常用于设计海报、广告、标志和网页等。霓虹灯效应的作用在于吸引人们的注意力和增强品牌形象的辨识度，因为这种效果让人印象深刻且易于记忆，本次我们盘点适合暗色模式的网页特效，还是喜欢，暗夜的你。

发光特效

暗黑模式下最炫酷的效果无外乎发光，基本上页面元素的发光需要依赖box-shadow属性：

logo {  
  width: 150px;  
  height: 150px;  
  background-color: #fff;  
  
  box-shadow: 120px 80px 40px 20px #0ff;  
  /* in order: x offset, y offset, blur size, spread size, color */  
  /* blur size and spread size are optional (they default to 0) */  
}

这里使用多个阴影值来创建分层效果。您可以用逗号分隔多个阴影值，它们将叠加在彼此上面。

但是这种效果比较单调，box-shadow属性只会保持所在的元素的形状上发光，如果我们想让一个元素的发光效果比较有层次感，那么就需要border-radius属性的配合。

我们可以通过给出多组值（用逗号分隔）来在一个元素上堆叠多个发光效果。发光效果将首先堆叠在顶部，最后一个堆叠在底部：

div {  
  width: 40px;  
  height: 40px;  
  border-radius: 50%;  
  background-color: #fff;  
  box-shadow:  
    0 0 60px 30px #fff,  /* inner white */  
    0 0 100px 60px #f0f, /* middle magenta */  
    0 0 140px 90px #0ff; /* outer cyan */  
}

说白了就是渐进的光晕效果，最内层往最内层逐渐减淡：

配合动画特效，比如animation属性：

.logo {

pointer-events: auto;  
font-size: 1rem;  
width: 2.5em;  
height: 9em;  
transform-origin: center top;  
animation: swing 3s ease-in-out infinite alternate;  
position: absolute;  
left: calc(50% - 1.3rem);  
top: calc(clamp(4em,8vmin,12vw) + .5rem);  
transform-style: preserve3d;  
transition: transform .5s ease-out;  
cursor: pointer;  
display: block;  
background: 0 0;  
border: none;  
-webkit-appearance: none;  
padding: 0;

}

随后结合box-shadow：

.light-bulb__image:before {  
content: "";  
position: absolute;  
left: calc(50% - 1px);  
bottom: 0;  
width: .625em;  
height: .625em;  
background: 0 0;  
border-radius: 50%;  
z-index: -1;  
box-shadow: 0 0 6.375em 4em #00fdcf;  
opacity: .6;  
transform: scaleY(.7) translateY(-1em) translateX(.4em);  
transform-origin: center top;  
}

我们就可以营造出这种“冷灯看剑，剑上几番功名”的特效：

对于SVG图片来说，不建议使用box-shadow，因为没法应用到path实体，这里建议使用filter属性：

.shadow_filter{  
  
filter: drop-shadow(0px 0px 25px #116466);  
  
}

这里通过第三个参数25px来控制发光的亮度，第四个参数可以改变颜色，暗色发光与亮色不发光的对比：

发光体与动画结合

除了静态的发光体，我们也可以让发光体“动”起来，首先建立发光体容器：

<div class="glowing">  
      
    <span style="--i:1;"></span>  
      
    <span style="--i:2;"></span>  
      
    <span style="--i:3;"></span>  
      
  </div>  
    
  <div class="glowing">  
      
    <span style="--i:1;"></span>  
      
    <span style="--i:2;"></span>  
      
    <span style="--i:3;"></span>  
      
  </div>  
    
  <div class="glowing">  
      
    <span style="--i:1;"></span>  
      
    <span style="--i:2;"></span>  
      
    <span style="--i:3;"></span>  
      
  </div>  
    
  <div class="glowing">  
      
    <span style="--i:1;"></span>  
      
    <span style="--i:2;"></span>  
      
    <span style="--i:3;"></span>  
      
  </div>

随后针对glowing容器添加动效：

.glowing {  
  position: relative;  
  min-width: 700px;  
  height: 550px;  
  margin: -150px;  
  transform-origin: right;  
  animation: colorChange 5s linear infinite;  
}  
  
.glowing:nth-child(even) {  
  transform-origin: left;  
}  
  
@keyframes colorChange {  
  0% {  
    filter: hue-rotate(0deg);  
    transform: rotate(0deg);  
  }  
  100% {  
    filter: hue-rotate(360deg);  
    transform: rotate(360deg);  
  }  
}  
  
.glowing span {  
  position: absolute;  
  top: calc(80px * var(--i));  
  left: calc(80px * var(--i));  
  bottom: calc(80px * var(--i));  
  right: calc(80px * var(--i));  
}  
  
.glowing span::before {  
  content: "";  
  position: absolute;  
  top: 50%;  
  left: -8px;  
  width: 15px;  
  height: 15px;  
  background: #f00;  
  border-radius: 50%;  
}  
  
.glowing span:nth-child(3n + 1)::before {  
  background: rgba(134,255,0,1);  
  box-shadow: 0 0 20px rgba(134,255,0,1),  
    0 0 40px rgba(134,255,0,1),  
    0 0 60px rgba(134,255,0,1),  
    0 0 80px rgba(134,255,0,1),  
    0 0 0 8px rgba(134,255,0,.1);  
}  
  
.glowing span:nth-child(3n + 2)::before {  
  background: rgba(255,214,0,1);  
  box-shadow: 0 0 20px rgba(255,214,0,1),  
    0 0 40px rgba(255,214,0,1),  
    0 0 60px rgba(255,214,0,1),  
    0 0 80px rgba(255,214,0,1),  
    0 0 0 8px rgba(255,214,0,.1);  
}  
  
.glowing span:nth-child(3n + 3)::before {  
  background: rgba(0,226,255,1);  
  box-shadow: 0 0 20px rgba(0,226,255,1),  
    0 0 40px rgba(0,226,255,1),  
    0 0 60px rgba(0,226,255,1),  
    0 0 80px rgba(0,226,255,1),  
    0 0 0 8px rgba(0,226,255,.1);  
}  
  
.glowing span:nth-child(3n + 1) {  
  animation: animate 10s alternate infinite;  
}  
  
.glowing span:nth-child(3n + 2) {  
  animation: animate-reverse 3s alternate infinite;  
}  
  
.glowing span:nth-child(3n + 3) {  
  animation: animate 8s alternate infinite;   
}  
  
@keyframes animate {  
  0% {  
    transform: rotate(180deg);  
  }  
  50% {  
    transform: rotate(0deg);  
  }  
  100% {  
    transform: rotate(360deg);  
  }  
}  
  
@keyframes animate-reverse {  
  0% {  
    transform: rotate(360deg);  
  }  
    
  50% {  
    transform: rotate(180deg);  
  }  
    
  100% {  
    transform: rotate(0deg);  
  }  
}

这里通过colorChange方法来动态改变容器的位置和颜色，效果如下：

萤火虫特效

在移动发光体的基础上，我们可以继续精进，打造萤火虫的效果，首先创建元素容器：

<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>  
<div class="firefly"></div>

这里容器越多，萤火虫越密集。

随后将容器样式改成fixed定位，让萤火虫跟随窗口移动：

firefly {  
  position: fixed;  
  left: 50%;  
  top: 50%;  
  width: 0.4vw;  
  height: 0.4vw;  
  margin: -0.2vw 0 0 9.8vw;  
  animation: ease 200s alternate infinite;  
  pointer-events: none;  
}  
.firefly::before, .firefly::after {  
  content: "";  
  position: absolute;  
  width: 100%;  
  height: 100%;  
  border-radius: 50%;  
  transform-origin: -10vw;  
}  
.firefly::before {  
  background: black;  
  opacity: 0.4;  
  animation: drift ease alternate infinite;  
}  
.firefly::after {  
  background: white;  
  opacity: 0;  
  box-shadow: 0 0 0vw 0vw yellow;  
  animation: drift ease alternate infinite, flash ease infinite;  
}  
  
.firefly:nth-child(1) {  
  animation-name: move1;  
}  
.firefly:nth-child(1)::before {  
  animation-duration: 10s;  
}  
.firefly:nth-child(1)::after {  
  animation-duration: 10s, 10206ms;  
  animation-delay: 0ms, 8110ms;  
}

随后编写移动动画，让萤火虫进行不规则运动：

@keyframes move1 {  
  0% {  
    transform: translateX(-2vw) translateY(49vh) scale(0.6);  
  }  
  4.7619047619% {  
    transform: translateX(-21vw) translateY(-20vh) scale(0.88);  
  }  
  9.5238095238% {  
    transform: translateX(19vw) translateY(-20vh) scale(0.95);  
  }  
  14.2857142857% {  
    transform: translateX(-13vw) translateY(7vh) scale(0.66);  
  }  
  19.0476190476% {  
    transform: translateX(12vw) translateY(23vh) scale(0.35);  
  }  
  23.8095238095% {  
    transform: translateX(10vw) translateY(2vh) scale(0.83);  
  }  
  28.5714285714% {  
    transform: translateX(-22vw) translateY(29vh) scale(0.89);  
  }  
  33.3333333333% {  
    transform: translateX(26vw) translateY(7vh) scale(0.61);  
  }  
  38.0952380952% {  
    transform: translateX(45vw) translateY(9vh) scale(0.73);  
  }  
  42.8571428571% {  
    transform: translateX(8vw) translateY(-24vh) scale(0.97);  
  }  
  47.619047619% {  
    transform: translateX(43vw) translateY(40vh) scale(0.96);  
  }  
  52.380952381% {  
    transform: translateX(-32vw) translateY(-44vh) scale(0.84);  
  }  
  57.1428571429% {  
    transform: translateX(18vw) translateY(32vh) scale(0.53);  
  }  
  61.9047619048% {  
    transform: translateX(5vw) translateY(-9vh) scale(0.96);  
  }  
  66.6666666667% {  
    transform: translateX(-46vw) translateY(3vh) scale(0.58);  
  }  
  71.4285714286% {  
    transform: translateX(-3vw) translateY(-21vh) scale(0.74);  
  }  
  76.1904761905% {  
    transform: translateX(16vw) translateY(2vh) scale(0.9);  
  }  
  80.9523809524% {  
    transform: translateX(20vw) translateY(46vh) scale(0.77);  
  }  
  85.7142857143% {  
    transform: translateX(12vw) translateY(-23vh) scale(0.8);  
  }  
  90.4761904762% {  
    transform: translateX(8vw) translateY(-24vh) scale(0.73);  
  }  
  95.2380952381% {  
    transform: translateX(-35vw) translateY(-11vh) scale(0.47);  
  }  
  100% {  
    transform: translateX(22vw) translateY(24vh) scale(0.93);  
  }  
}  
.firefly:nth-child(2) {  
  animation-name: move2;  
}  
.firefly:nth-child(2)::before {  
  animation-duration: 10s;  
}  
.firefly:nth-child(2)::after {  
  animation-duration: 10s, 6664ms;  
  animation-delay: 0ms, 4112ms;  
}  
  
@keyframes move2 {  
  0% {  
    transform: translateX(-3vw) translateY(13vh) scale(1);  
  }  
  4% {  
    transform: translateX(0vw) translateY(-4vh) scale(0.79);  
  }  
  8% {  
    transform: translateX(-1vw) translateY(-41vh) scale(0.84);  
  }  
  12% {  
    transform: translateX(-43vw) translateY(3vh) scale(0.73);  
  }  
  16% {  
    transform: translateX(17vw) translateY(-39vh) scale(0.26);  
  }  
  20% {  
    transform: translateX(9vw) translateY(34vh) scale(0.57);  
  }  
  24% {  
    transform: translateX(25vw) translateY(-44vh) scale(0.42);  
  }  
  28% {  
    transform: translateX(-15vw) translateY(-1vh) scale(0.62);  
  }  
  32% {  
    transform: translateX(36vw) translateY(10vh) scale(0.89);  
  }  
  36% {  
    transform: translateX(-12vw) translateY(-41vh) scale(0.82);  
  }  
  40% {  
    transform: translateX(-1vw) translateY(42vh) scale(0.35);  
  }  
  44% {  
    transform: translateX(6vw) translateY(9vh) scale(0.93);  
  }  
  48% {  
    transform: translateX(12vw) translateY(35vh) scale(0.87);  
  }  
  52% {  
    transform: translateX(-10vw) translateY(-33vh) scale(0.85);  
  }  
  56% {  
    transform: translateX(17vw) translateY(-24vh) scale(0.6);  
  }  
  60% {  
    transform: translateX(26vw) translateY(-4vh) scale(0.59);  
  }  
  64% {  
    transform: translateX(8vw) translateY(-42vh) scale(0.71);  
  }  
  68% {  
    transform: translateX(-22vw) translateY(16vh) scale(0.79);  
  }  
  72% {  
    transform: translateX(2vw) translateY(17vh) scale(0.42);  
  }  
  76% {  
    transform: translateX(22vw) translateY(-35vh) scale(0.68);  
  }  
  80% {  
    transform: translateX(-19vw) translateY(17vh) scale(0.36);  
  }  
  84% {  
    transform: translateX(-42vw) translateY(-12vh) scale(0.96);  
  }  
  88% {  
    transform: translateX(-29vw) translateY(-9vh) scale(0.46);  
  }  
  92% {  
    transform: translateX(-41vw) translateY(19vh) scale(0.27);  
  }  
  96% {  
    transform: translateX(-7vw) translateY(32vh) scale(0.65);  
  }  
  100% {  
    transform: translateX(-2vw) translateY(-40vh) scale(0.92);  
  }  
}  
.firefly:nth-child(3) {  
  animation-name: move3;  
}  
.firefly:nth-child(3)::before {  
  animation-duration: 10s;  
}  
.firefly:nth-child(3)::after {  
  animation-duration: 10s, 6237ms;  
  animation-delay: 0ms, 6828ms;  
}  
  
@keyframes move3 {  
  0% {  
    transform: translateX(6vw) translateY(-31vh) scale(0.94);  
  }  
  5.5555555556% {  
    transform: translateX(-5vw) translateY(36vh) scale(0.61);  
  }  
  11.1111111111% {  
    transform: translateX(0vw) translateY(18vh) scale(0.32);  
  }  
  16.6666666667% {  
    transform: translateX(-34vw) translateY(-43vh) scale(0.36);  
  }  
  22.2222222222% {  
    transform: translateX(24vw) translateY(6vh) scale(0.92);  
  }  
  27.7777777778% {  
    transform: translateX(16vw) translateY(-20vh) scale(0.43);  
  }  
  33.3333333333% {  
    transform: translateX(1vw) translateY(27vh) scale(0.46);  
  }  
  38.8888888889% {  
    transform: translateX(7vw) translateY(50vh) scale(0.8);  
  }  
  44.4444444444% {  
    transform: translateX(24vw) translateY(10vh) scale(0.89);  
  }  
  50% {  
    transform: translateX(48vw) translateY(23vh) scale(0.71);  
  }  
  55.5555555556% {  
    transform: translateX(43vw) translateY(-5vh) scale(0.81);  
  }  
  61.1111111111% {  
    transform: translateX(27vw) translateY(-40vh) scale(0.94);  
  }  
  66.6666666667% {  
    transform: translateX(48vw) translateY(-39vh) scale(0.78);  
  }  
  72.2222222222% {  
    transform: translateX(-10vw) translateY(-40vh) scale(0.77);  
  }  
  77.7777777778% {  
    transform: translateX(2vw) translateY(4vh) scale(0.55);  
  }  
  83.3333333333% {  
    transform: translateX(41vw) translateY(-26vh) scale(0.67);  
  }  
  88.8888888889% {  
    transform: translateX(-20vw) translateY(41vh) scale(0.61);  
  }  
  94.4444444444% {  
    transform: translateX(14vw) translateY(-6vh) scale(0.66);  
  }  
  100% {  
    transform: translateX(-17vw) translateY(-20vh) scale(0.91);  
  }  
}  
.firefly:nth-child(4) {  
  animation-name: move4;  
}  
.firefly:nth-child(4)::before {  
  animation-duration: 11s;  
}  
.firefly:nth-child(4)::after {  
  animation-duration: 11s, 6607ms;  
  animation-delay: 0ms, 8453ms;  
}  
  
@keyframes move4 {  
  0% {  
    transform: translateX(-4vw) translateY(21vh) scale(0.76);  
  }  
  4.1666666667% {  
    transform: translateX(50vw) translateY(-3vh) scale(0.37);  
  }  
  8.3333333333% {  
    transform: translateX(-15vw) translateY(-5vh) scale(0.65);  
  }  
  12.5% {  
    transform: translateX(-47vw) translateY(-43vh) scale(0.29);  
  }  
  16.6666666667% {  
    transform: translateX(32vw) translateY(21vh) scale(0.56);  
  }  
  20.8333333333% {  
    transform: translateX(45vw) translateY(-39vh) scale(0.68);  
  }  
  25% {  
    transform: translateX(-5vw) translateY(24vh) scale(0.72);  
  }  
  29.1666666667% {  
    transform: translateX(-20vw) translateY(-46vh) scale(0.53);  
  }  
  33.3333333333% {  
    transform: translateX(22vw) translateY(-36vh) scale(1);  
  }  
  37.5% {  
    transform: translateX(41vw) translateY(-39vh) scale(0.62);  
  }  
  41.6666666667% {  
    transform: translateX(14vw) translateY(-28vh) scale(0.47);  
  }  
  45.8333333333% {  
    transform: translateX(-11vw) translateY(-22vh) scale(0.39);  
  }  
  50% {  
    transform: translateX(11vw) translateY(12vh) scale(0.37);  
  }  
  54.1666666667% {  
    transform: translateX(10vw) translateY(34vh) scale(0.69);  
  }  
  58.3333333333% {  
    transform: translateX(-26vw) translateY(1vh) scale(0.94);  
  }  
  62.5% {  
    transform: translateX(-42vw) translateY(-23vh) scale(0.83);  
  }  
  66.6666666667% {  
    transform: translateX(-19vw) translateY(37vh) scale(0.63);  
  }  
  70.8333333333% {  
    transform: translateX(-48vw) translateY(21vh) scale(0.62);  
  }  
  75% {  
    transform: translateX(2vw) translateY(-19vh) scale(0.51);  
  }  
  79.1666666667% {  
    transform: translateX(3vw) translateY(50vh) scale(0.95);  
  }  
  83.3333333333% {  
    transform: translateX(-2vw) translateY(-4vh) scale(0.62);  
  }  
  87.5% {  
    transform: translateX(-35vw) translateY(-3vh) scale(0.84);  
  }  
  91.6666666667% {  
    transform: translateX(35vw) translateY(-49vh) scale(0.46);  
  }  
  95.8333333333% {  
    transform: translateX(35vw) translateY(41vh) scale(0.73);  
  }  
  100% {  
    transform: translateX(12vw) translateY(4vh) scale(0.55);  
  }  
}  
.firefly:nth-child(5) {  
  animation-name: move5;  
}  
.firefly:nth-child(5)::before {  
  animation-duration: 16s;  
}  
.firefly:nth-child(5)::after {  
  animation-duration: 16s, 6469ms;  
  animation-delay: 0ms, 7253ms;  
}  
  
@keyframes move5 {  
  0% {  
    transform: translateX(6vw) translateY(19vh) scale(0.64);  
  }  
  5.5555555556% {  
    transform: translateX(-24vw) translateY(48vh) scale(1);  
  }  
  11.1111111111% {  
    transform: translateX(24vw) translateY(-17vh) scale(0.9);  
  }  
  16.6666666667% {  
    transform: translateX(-45vw) translateY(-25vh) scale(0.38);  
  }  
  22.2222222222% {  
    transform: translateX(6vw) translateY(11vh) scale(0.92);  
  }  
  27.7777777778% {  
    transform: translateX(25vw) translateY(-31vh) scale(0.85);  
  }  
  33.3333333333% {  
    transform: translateX(-36vw) translateY(36vh) scale(1);  
  }  
  38.8888888889% {  
    transform: translateX(-22vw) translateY(-44vh) scale(0.28);  
  }  
  44.4444444444% {  
    transform: translateX(-1vw) translateY(-23vh) scale(0.33);  
  }  
  50% {  
    transform: translateX(-39vw) translateY(34vh) scale(0.35);  
  }  
  55.5555555556% {  
    transform: translateX(-24vw) translateY(17vh) scale(0.82);  
  }  
  61.1111111111% {  
    transform: translateX(50vw) translateY(-38vh) scale(0.65);  
  }  
  66.6666666667% {  
    transform: translateX(-36vw) translateY(19vh) scale(0.43);  
  }  
  72.2222222222% {  
    transform: translateX(13vw) translateY(-13vh) scale(0.71);  
  }  
  77.7777777778% {  
    transform: translateX(48vw) translateY(21vh) scale(0.86);  
  }  
  83.3333333333% {  
    transform: translateX(-14vw) translateY(-48vh) scale(0.49);  
  }  
  88.8888888889% {  
    transform: translateX(6vw) translateY(-11vh) scale(0.63);  
  }  
  94.4444444444% {  
    transform: translateX(-40vw) translateY(39vh) scale(0.66);  
  }  
  100% {  
    transform: translateX(-9vw) translateY(31vh) scale(0.62);  
  }  
}  
.firefly:nth-child(6) {  
  animation-name: move6;  
}  
.firefly:nth-child(6)::before {  
  animation-duration: 17s;  
}  
.firefly:nth-child(6)::after {  
  animation-duration: 17s, 6598ms;  
  animation-delay: 0ms, 5641ms;  
}  
  
@keyframes move6 {  
  0% {  
    transform: translateX(17vw) translateY(-31vh) scale(0.32);  
  }  
  3.5714285714% {  
    transform: translateX(-20vw) translateY(1vh) scale(0.66);  
  }  
  7.1428571429% {  
    transform: translateX(2vw) translateY(42vh) scale(0.32);  
  }  
  10.7142857143% {  
    transform: translateX(22vw) translateY(-8vh) scale(0.72);  
  }  
  14.2857142857% {  
    transform: translateX(16vw) translateY(-32vh) scale(0.62);  
  }  
  17.8571428571% {  
    transform: translateX(14vw) translateY(-37vh) scale(0.98);  
  }  
  21.4285714286% {  
    transform: translateX(-42vw) translateY(-23vh) scale(0.76);  
  }  
  25% {  
    transform: translateX(15vw) translateY(24vh) scale(0.91);  
  }  
  28.5714285714% {  
    transform: translateX(-11vw) translateY(26vh) scale(0.95);  
  }  
  32.1428571429% {  
    transform: translateX(34vw) translateY(10vh) scale(0.29);  
  }  
  35.7142857143% {  
    transform: translateX(43vw) translateY(-14vh) scale(0.33);  
  }  
  39.2857142857% {  
    transform: translateX(5vw) translateY(-49vh) scale(0.48);  
  }  
  42.8571428571% {  
    transform: translateX(30vw) translateY(32vh) scale(0.52);  
  }  
  46.4285714286% {  
    transform: translateX(-43vw) translateY(-8vh) scale(0.61);  
  }  
  50% {  
    transform: translateX(-3vw) translateY(4vh) scale(0.85);  
  }  
  53.5714285714% {  
    transform: translateX(0vw) translateY(-17vh) scale(0.31);  
  }  
  57.1428571429% {  
    transform: translateX(-24vw) translateY(-37vh) scale(0.9);  
  }  
  60.7142857143% {  
    transform: translateX(-22vw) translateY(-30vh) scale(0.87);  
  }  
  64.2857142857% {  
    transform: translateX(39vw) translateY(10vh) scale(0.98);  
  }  
  67.8571428571% {  
    transform: translateX(26vw) translateY(-6vh) scale(0.99);  
  }  
  71.4285714286% {  
    transform: translateX(7vw) translateY(32vh) scale(0.79);  
  }  
  75% {  
    transform: translateX(-15vw) translateY(47vh) scale(0.28);  
  }  
  78.5714285714% {  
    transform: translateX(46vw) translateY(49vh) scale(0.92);  
  }  
  82.1428571429% {  
    transform: translateX(-46vw) translateY(-6vh) scale(0.98);  
  }  
  85.7142857143% {  
    transform: translateX(-48vw) translateY(-33vh) scale(0.26);  
  }  
  89.2857142857% {  
    transform: translateX(6vw) translateY(44vh) scale(0.76);  
  }  
  92.8571428571% {  
    transform: translateX(32vw) translateY(36vh) scale(0.49);  
  }  
  96.4285714286% {  
    transform: translateX(43vw) translateY(-4vh) scale(0.82);  
  }  
  100% {  
    transform: translateX(3vw) translateY(-7vh) scale(0.33);  
  }  
}  
.firefly:nth-child(7) {  
  animation-name: move7;  
}  
.firefly:nth-child(7)::before {  
  animation-duration: 9s;  
}  
.firefly:nth-child(7)::after {  
  animation-duration: 9s, 5517ms;  
  animation-delay: 0ms, 648ms;  
}  
  
@keyframes move7 {  
  0% {  
    transform: translateX(-17vw) translateY(-6vh) scale(0.35);  
  }  
  4% {  
    transform: translateX(37vw) translateY(36vh) scale(0.33);  
  }  
  8% {  
    transform: translateX(42vw) translateY(45vh) scale(0.5);  
  }  
  12% {  
    transform: translateX(-30vw) translateY(-3vh) scale(0.87);  
  }  
  16% {  
    transform: translateX(43vw) translateY(-38vh) scale(0.27);  
  }  
  20% {  
    transform: translateX(-3vw) translateY(-14vh) scale(1);  
  }  
  24% {  
    transform: translateX(6vw) translateY(-4vh) scale(0.31);  
  }  
  28% {  
    transform: translateX(41vw) translateY(-3vh) scale(0.32);  
  }  
  32% {  
    transform: translateX(-27vw) translateY(12vh) scale(0.47);  
  }  
  36% {  
    transform: translateX(31vw) translateY(-42vh) scale(0.99);  
  }  
  40% {  
    transform: translateX(-3vw) translateY(-2vh) scale(0.3);  
  }  
  44% {  
    transform: translateX(-9vw) translateY(45vh) scale(0.64);  
  }  
  48% {  
    transform: translateX(27vw) translateY(-11vh) scale(0.47);  
  }  
  52% {  
    transform: translateX(-38vw) translateY(16vh) scale(0.55);  
  }  
  56% {  
    transform: translateX(-18vw) translateY(31vh) scale(0.68);  
  }  
  60% {  
    transform: translateX(-8vw) translateY(-45vh) scale(0.45);  
  }  
  64% {  
    transform: translateX(-29vw) translateY(-9vh) scale(0.8);  
  }  
  68% {  
    transform: translateX(-4vw) translateY(-2vh) scale(0.69);  
  }  
  72% {  
    transform: translateX(14vw) translateY(42vh) scale(0.34);  
  }  
  76% {  
    transform: translateX(31vw) translateY(19vh) scale(0.97);  
  }  
  80% {  
    transform: translateX(-27vw) translateY(3vh) scale(0.83);  
  }  
  84% {  
    transform: translateX(-25vw) translateY(32vh) scale(0.47);  
  }  
  88% {  
    transform: translateX(-10vw) translateY(6vh) scale(0.63);  
  }  
  92% {  
    transform: translateX(-6vw) translateY(-40vh) scale(0.28);  
  }  
  96% {  
    transform: translateX(10vw) translateY(-18vh) scale(0.92);  
  }  
  100% {  
    transform: translateX(48vw) translateY(-22vh) scale(0.87);  
  }  
}  
.firefly:nth-child(8) {  
  animation-name: move8;  
}  
.firefly:nth-child(8)::before {  
  animation-duration: 17s;  
}  
.firefly:nth-child(8)::after {  
  animation-duration: 17s, 8764ms;  
  animation-delay: 0ms, 5715ms;  
}  
  
@keyframes move8 {  
  0% {  
    transform: translateX(-39vw) translateY(-48vh) scale(0.53);  
  }  
  4.1666666667% {  
    transform: translateX(-34vw) translateY(-14vh) scale(0.32);  
  }  
  8.3333333333% {  
    transform: translateX(24vw) translateY(-38vh) scale(0.6);  
  }  
  12.5% {  
    transform: translateX(-24vw) translateY(8vh) scale(0.86);  
  }  
  16.6666666667% {  
    transform: translateX(21vw) translateY(-38vh) scale(0.5);  
  }  
  20.8333333333% {  
    transform: translateX(13vw) translateY(-2vh) scale(0.74);  
  }  
  25% {  
    transform: translateX(38vw) translateY(-5vh) scale(0.79);  
  }  
  29.1666666667% {  
    transform: translateX(-7vw) translateY(-33vh) scale(0.81);  
  }  
  33.3333333333% {  
    transform: translateX(-33vw) translateY(34vh) scale(0.31);  
  }  
  37.5% {  
    transform: translateX(41vw) translateY(24vh) scale(0.97);  
  }  
  41.6666666667% {  
    transform: translateX(12vw) translateY(8vh) scale(0.34);  
  }  
  45.8333333333% {  
    transform: translateX(-21vw) translateY(-11vh) scale(0.35);  
  }  
  50% {  
    transform: translateX(-43vw) translateY(19vh) scale(0.46);  
  }  
  54.1666666667% {  
    transform: translateX(32vw) translateY(44vh) scale(0.71);  
  }  
  58.3333333333% {  
    transform: translateX(32vw) translateY(-10vh) scale(0.94);  
  }  
  62.5% {  
    transform: translateX(-34vw) translateY(-45vh) scale(0.67);  
  }  
  66.6666666667% {  
    transform: translateX(13vw) translateY(-47vh) scale(0.97);  
  }  
  70.8333333333% {  
    transform: translateX(0vw) translateY(-10vh) scale(0.27);  
  }  
  75% {  
    transform: translateX(-25vw) translateY(35vh) scale(0.33);  
  }  
  79.1666666667% {  
    transform: translateX(-16vw) translateY(33vh) scale(0.84);  
  }  
  83.3333333333% {  
    transform: translateX(-26vw) translateY(-32vh) scale(0.88);  
  }  
  87.5% {  
    transform: translateX(38vw) translateY(34vh) scale(0.55);  
  }  
  91.6666666667% {  
    transform: translateX(46vw) translateY(23vh) scale(0.26);  
  }  
  95.8333333333% {  
    transform: translateX(-1vw) translateY(32vh) scale(0.73);  
  }  
  100% {  
    transform: translateX(-24vw) translateY(-8vh) scale(0.61);  
  }  
}  
.firefly:nth-child(9) {  
  animation-name: move9;  
}  
.firefly:nth-child(9)::before {  
  animation-duration: 17s;  
}  
.firefly:nth-child(9)::after {  
  animation-duration: 17s, 6466ms;  
  animation-delay: 0ms, 1191ms;  
}  
  
@keyframes move9 {  
  0% {  
    transform: translateX(37vw) translateY(50vh) scale(0.91);  
  }  
  5% {  
    transform: translateX(-7vw) translateY(38vh) scale(0.31);  
  }  
  10% {  
    transform: translateX(-36vw) translateY(-28vh) scale(0.58);  
  }  
  15% {  
    transform: translateX(-8vw) translateY(-31vh) scale(0.59);  
  }  
  20% {  
    transform: translateX(-31vw) translateY(32vh) scale(0.96);  
  }  
  25% {  
    transform: translateX(-48vw) translateY(-26vh) scale(0.4);  
  }  
  30% {  
    transform: translateX(-12vw) translateY(-45vh) scale(0.81);  
  }  
  35% {  
    transform: translateX(-26vw) translateY(35vh) scale(0.37);  
  }  
  40% {  
    transform: translateX(40vw) translateY(49vh) scale(0.5);  
  }  
  45% {  
    transform: translateX(1vw) translateY(23vh) scale(0.72);  
  }  
  50% {  
    transform: translateX(44vw) translateY(-29vh) scale(0.53);  
  }  
  55% {  
    transform: translateX(30vw) translateY(-2vh) scale(0.9);  
  }  
  60% {  
    transform: translateX(-17vw) translateY(-38vh) scale(0.5);  
  }  
  65% {  
    transform: translateX(-34vw) translateY(-40vh) scale(0.69);  
  }  
  70% {  
    transform: translateX(16vw) translateY(22vh) scale(0.74);  
  }  
  75% {  
    transform: translateX(-24vw) translateY(-8vh) scale(0.93);  
  }  
  80% {  
    transform: translateX(30vw) translateY(24vh) scale(0.88);  
  }  
  85% {  
    transform: translateX(-46vw) translateY(33vh) scale(0.42);  
  }  
  90% {  
    transform: translateX(-7vw) translateY(24vh) scale(0.8);  
  }  
  95% {  
    transform: translateX(47vw) translateY(-20vh) scale(0.55);  
  }  
  100% {  
    transform: translateX(-27vw) translateY(-14vh) scale(0.76);  
  }  
}  
.firefly:nth-child(10) {  
  animation-name: move10;  
}  
.firefly:nth-child(10)::before {  
  animation-duration: 15s;  
}  
.firefly:nth-child(10)::after {  
  animation-duration: 15s, 8188ms;  
  animation-delay: 0ms, 4963ms;  
}  
  
@keyframes move10 {  
  0% {  
    transform: translateX(-48vw) translateY(26vh) scale(0.62);  
  }  
  4.7619047619% {  
    transform: translateX(36vw) translateY(-24vh) scale(0.26);  
  }  
  9.5238095238% {  
    transform: translateX(-19vw) translateY(37vh) scale(0.57);  
  }  
  14.2857142857% {  
    transform: translateX(21vw) translateY(11vh) scale(0.93);  
  }  
  19.0476190476% {  
    transform: translateX(38vw) translateY(-16vh) scale(0.31);  
  }  
  23.8095238095% {  
    transform: translateX(-25vw) translateY(-17vh) scale(0.82);  
  }  
  28.5714285714% {  
    transform: translateX(7vw) translateY(-10vh) scale(0.27);  
  }  
  33.3333333333% {  
    transform: translateX(-12vw) translateY(12vh) scale(0.95);  
  }  
  38.0952380952% {  
    transform: translateX(-14vw) translateY(33vh) scale(0.31);  
  }  
  42.8571428571% {  
    transform: translateX(-38vw) translateY(26vh) scale(0.96);  
  }  
  47.619047619% {  
    transform: translateX(-23vw) translateY(28vh) scale(0.78);  
  }  
  52.380952381% {  
    transform: translateX(39vw) translateY(-46vh) scale(0.45);  
  }  
  57.1428571429% {  
    transform: translateX(45vw) translateY(39vh) scale(0.68);  
  }  
  61.9047619048% {  
    transform: translateX(-34vw) translateY(-40vh) scale(0.4);  
  }  
  66.6666666667% {  
    transform: translateX(49vw) translateY(45vh) scale(0.63);  
  }  
  71.4285714286% {  
    transform: translateX(-36vw) translateY(-8vh) scale(0.85);  
  }  
  76.1904761905% {  
    transform: translateX(3vw) translateY(-44vh) scale(0.92);  
  }  
  80.9523809524% {  
    transform: translateX(-1vw) translateY(22vh) scale(0.49);  
  }  
  85.7142857143% {  
    transform: translateX(47vw) translateY(-29vh) scale(0.74);  
  }  
  90.4761904762% {  
    transform: translateX(20vw) translateY(12vh) scale(0.94);  
  }  
  95.2380952381% {  
    transform: translateX(0vw) translateY(-24vh) scale(0.43);  
  }  
  100% {  
    transform: translateX(34vw) translateY(46vh) scale(0.61);  
  }  
}  
.firefly:nth-child(11) {  
  animation-name: move11;  
}  
.firefly:nth-child(11)::before {  
  animation-duration: 11s;  
}  
.firefly:nth-child(11)::after {  
  animation-duration: 11s, 9820ms;  
  animation-delay: 0ms, 3745ms;  
}  
  
@keyframes move11 {  
  0% {  
    transform: translateX(-3vw) translateY(-22vh) scale(0.8);  
  }  
  5.8823529412% {  
    transform: translateX(-11vw) translateY(34vh) scale(0.66);  
  }  
  11.7647058824% {  
    transform: translateX(-10vw) translateY(-17vh) scale(0.45);  
  }  
  17.6470588235% {  
    transform: translateX(48vw) translateY(-49vh) scale(0.55);  
  }  
  23.5294117647% {  
    transform: translateX(-34vw) translateY(-49vh) scale(0.36);  
  }  
  29.4117647059% {  
    transform: translateX(-18vw) translateY(-15vh) scale(0.48);  
  }  
  35.2941176471% {  
    transform: translateX(9vw) translateY(-8vh) scale(0.36);  
  }  
  41.1764705882% {  
    transform: translateX(42vw) translateY(-38vh) scale(0.93);  
  }  
  47.0588235294% {  
    transform: translateX(45vw) translateY(-28vh) scale(0.71);  
  }  
  52.9411764706% {  
    transform: translateX(44vw) translateY(38vh) scale(0.59);  
  }  
  58.8235294118% {  
    transform: translateX(-19vw) translateY(-15vh) scale(0.61);  
  }  
  64.7058823529% {  
    transform: translateX(-43vw) translateY(-7vh) scale(0.78);  
  }  
  70.5882352941% {  
    transform: translateX(36vw) translateY(-47vh) scale(0.8);  
  }  
  76.4705882353% {  
    transform: translateX(-39vw) translateY(16vh) scale(0.78);  
  }  
  82.3529411765% {  
    transform: translateX(45vw) translateY(-4vh) scale(0.67);  
  }  
  88.2352941176% {  
    transform: translateX(-42vw) translateY(-22vh) scale(0.38);  
  }  
  94.1176470588% {  
    transform: translateX(42vw) translateY(-27vh) scale(0.46);  
  }  
  100% {  
    transform: translateX(9vw) translateY(13vh) scale(0.31);  
  }  
}  
.firefly:nth-child(12) {  
  animation-name: move12;  
}  
.firefly:nth-child(12)::before {  
  animation-duration: 17s;  
}  
.firefly:nth-child(12)::after {  
  animation-duration: 17s, 7292ms;  
  animation-delay: 0ms, 5281ms;  
}  
  
@keyframes move12 {  
  0% {  
    transform: translateX(-9vw) translateY(38vh) scale(0.37);  
  }  
  5.8823529412% {  
    transform: translateX(-23vw) translateY(39vh) scale(0.57);  
  }  
  11.7647058824% {  
    transform: translateX(-48vw) translateY(-28vh) scale(0.72);  
  }  
  17.6470588235% {  
    transform: translateX(20vw) translateY(9vh) scale(0.67);  
  }  
  23.5294117647% {  
    transform: translateX(38vw) translateY(-24vh) scale(0.68);  
  }  
  29.4117647059% {  
    transform: translateX(18vw) translateY(-41vh) scale(0.36);  
  }  
  35.2941176471% {  
    transform: translateX(8vw) translateY(-35vh) scale(0.48);  
  }  
  41.1764705882% {  
    transform: translateX(8vw) translateY(21vh) scale(0.81);  
  }  
  47.0588235294% {  
    transform: translateX(7vw) translateY(36vh) scale(0.69);  
  }  
  52.9411764706% {  
    transform: translateX(-30vw) translateY(8vh) scale(0.75);  
  }  
  58.8235294118% {  
    transform: translateX(-31vw) translateY(0vh) scale(0.27);  
  }  
  64.7058823529% {  
    transform: translateX(32vw) translateY(23vh) scale(0.73);  
  }  
  70.5882352941% {  
    transform: translateX(50vw) translateY(14vh) scale(0.48);  
  }  
  76.4705882353% {  
    transform: translateX(-48vw) translateY(10vh) scale(0.41);  
  }  
  82.3529411765% {  
    transform: translateX(-36vw) translateY(43vh) scale(0.34);  
  }  
  88.2352941176% {  
    transform: translateX(18vw) translateY(-2vh) scale(0.41);  
  }  
  94.1176470588% {  
    transform: translateX(7vw) translateY(19vh) scale(0.38);  
  }  
  100% {  
    transform: translateX(-46vw) translateY(-46vh) scale(0.91);  
  }  
}  
.firefly:nth-child(13) {  
  animation-name: move13;  
}  
.firefly:nth-child(13)::before {  
  animation-duration: 13s;  
}  
.firefly:nth-child(13)::after {  
  animation-duration: 13s, 10699ms;  
  animation-delay: 0ms, 6391ms;  
}  
  
@keyframes move13 {  
  0% {  
    transform: translateX(-36vw) translateY(-25vh) scale(0.62);  
  }  
  5.2631578947% {  
    transform: translateX(11vw) translateY(19vh) scale(0.98);  
  }  
  10.5263157895% {  
    transform: translateX(12vw) translateY(47vh) scale(0.85);  
  }  
  15.7894736842% {  
    transform: translateX(7vw) translateY(-4vh) scale(0.28);  
  }  
  21.0526315789% {  
    transform: translateX(-16vw) translateY(-6vh) scale(1);  
  }  
  26.3157894737% {  
    transform: translateX(-4vw) translateY(48vh) scale(0.75);  
  }  
  31.5789473684% {  
    transform: translateX(-2vw) translateY(-31vh) scale(0.42);  
  }  
  36.8421052632% {  
    transform: translateX(-36vw) translateY(13vh) scale(0.65);  
  }  
  42.1052631579% {  
    transform: translateX(-26vw) translateY(-8vh) scale(0.38);  
  }  
  47.3684210526% {  
    transform: translateX(38vw) translateY(-9vh) scale(0.64);  
  }  
  52.6315789474% {  
    transform: translateX(-19vw) translateY(-32vh) scale(0.27);  
  }  
  57.8947368421% {  
    transform: translateX(-42vw) translateY(41vh) scale(0.53);  
  }  
  63.1578947368% {  
    transform: translateX(38vw) translateY(-25vh) scale(0.39);  
  }  
  68.4210526316% {  
    transform: translateX(-8vw) translateY(31vh) scale(0.58);  
  }  
  73.6842105263% {  
    transform: translateX(5vw) translateY(31vh) scale(0.45);  
  }  
  78.9473684211% {  
    transform: translateX(-12vw) translateY(11vh) scale(0.26);  
  }  
  84.2105263158% {  
    transform: translateX(-23vw) translateY(2vh) scale(0.75);  
  }  
  89.4736842105% {  
    transform: translateX(-32vw) translateY(38vh) scale(0.69);  
  }  
  94.7368421053% {  
    transform: translateX(2vw) translateY(49vh) scale(0.54);  
  }  
  100% {  
    transform: translateX(-24vw) translateY(37vh) scale(0.45);  
  }  
}  
.firefly:nth-child(14) {  
  animation-name: move14;  
}  
.firefly:nth-child(14)::before {  
  animation-duration: 16s;  
}  
.firefly:nth-child(14)::after {  
  animation-duration: 16s, 7006ms;  
  animation-delay: 0ms, 8214ms;  
}  
  
@keyframes move14 {  
  0% {  
    transform: translateX(-44vw) translateY(-5vh) scale(0.56);  
  }  
  5% {  
    transform: translateX(-37vw) translateY(-28vh) scale(0.53);  
  }  
  10% {  
    transform: translateX(-38vw) translateY(-44vh) scale(0.31);  
  }  
  15% {  
    transform: translateX(50vw) translateY(-41vh) scale(0.79);  
  }  
  20% {  
    transform: translateX(-8vw) translateY(26vh) scale(0.78);  
  }  
  25% {  
    transform: translateX(-42vw) translateY(-30vh) scale(0.95);  
  }  
  30% {  
    transform: translateX(1vw) translateY(-22vh) scale(0.65);  
  }  
  35% {  
    transform: translateX(-3vw) translateY(47vh) scale(0.48);  
  }  
  40% {  
    transform: translateX(19vw) translateY(0vh) scale(0.4);  
  }  
  45% {  
    transform: translateX(6vw) translateY(-39vh) scale(0.31);  
  }  
  50% {  
    transform: translateX(45vw) translateY(-1vh) scale(0.84);  
  }  
  55% {  
    transform: translateX(8vw) translateY(-2vh) scale(0.76);  
  }  
  60% {  
    transform: translateX(20vw) translateY(-25vh) scale(0.3);  
  }  
  65% {  
    transform: translateX(-40vw) translateY(-11vh) scale(0.4);  
  }  
  70% {  
    transform: translateX(4vw) translateY(-19vh) scale(0.91);  
  }  
  75% {  
    transform: translateX(-25vw) translateY(-15vh) scale(0.33);  
  }  
  80% {  
    transform: translateX(-9vw) translateY(27vh) scale(0.35);  
  }  
  85% {  
    transform: translateX(-47vw) translateY(-33vh) scale(0.76);  
  }  
  90% {  
    transform: translateX(47vw) translateY(-25vh) scale(0.82);  
  }  
  95% {  
    transform: translateX(-2vw) translateY(23vh) scale(0.33);  
  }  
  100% {  
    transform: translateX(33vw) translateY(45vh) scale(0.61);  
  }  
}  
.firefly:nth-child(15) {  
  animation-name: move15;  
}  
.firefly:nth-child(15)::before {  
  animation-duration: 13s;  
}  
.firefly:nth-child(15)::after {  
  animation-duration: 13s, 8035ms;  
  animation-delay: 0ms, 3803ms;  
}  
  
@keyframes move15 {  
  0% {  
    transform: translateX(0vw) translateY(-48vh) scale(0.7);  
  }  
  4.7619047619% {  
    transform: translateX(-34vw) translateY(-18vh) scale(0.51);  
  }  
  9.5238095238% {  
    transform: translateX(-36vw) translateY(-43vh) scale(0.91);  
  }  
  14.2857142857% {  
    transform: translateX(3vw) translateY(-20vh) scale(0.32);  
  }  
  19.0476190476% {  
    transform: translateX(-41vw) translateY(47vh) scale(0.98);  
  }  
  23.8095238095% {  
    transform: translateX(31vw) translateY(24vh) scale(0.26);  
  }  
  28.5714285714% {  
    transform: translateX(-49vw) translateY(50vh) scale(0.59);  
  }  
  33.3333333333% {  
    transform: translateX(48vw) translateY(17vh) scale(0.3);  
  }  
  38.0952380952% {  
    transform: translateX(39vw) translateY(-18vh) scale(0.84);  
  }  
  42.8571428571% {  
    transform: translateX(-17vw) translateY(-12vh) scale(0.51);  
  }  
  47.619047619% {  
    transform: translateX(34vw) translateY(31vh) scale(0.77);  
  }  
  52.380952381% {  
    transform: translateX(-39vw) translateY(-24vh) scale(0.73);  
  }  
  57.1428571429% {  
    transform: translateX(-43vw) translateY(45vh) scale(0.95);  
  }  
  61.9047619048% {  
    transform: translateX(25vw) translateY(-8vh) scale(0.72);  
  }  
  66.6666666667% {  
    transform: translateX(3vw) translateY(-30vh) scale(0.95);  
  }  
  71.4285714286% {  
    transform: translateX(-36vw) translateY(-23vh) scale(0.98);  
  }  
  76.1904761905% {  
    transform: translateX(23vw) translateY(-46vh) scale(0.7);  
  }  
  80.9523809524% {  
    transform: translateX(38vw) translateY(32vh) scale(0.92);  
  }  
  85.7142857143% {  
    transform: translateX(-47vw) translateY(-37vh) scale(0.57);  
  }  
  90.4761904762% {  
    transform: translateX(-41vw) translateY(-15vh) scale(0.84);  
  }  
  95.2380952381% {  
    transform: translateX(50vw) translateY(44vh) scale(0.61);  
  }  
  100% {  
    transform: translateX(-15vw) translateY(48vh) scale(0.66);  
  }  
}  
@keyframes drift {  
  0% {  
    transform: rotate(0deg);  
  }  
  100% {  
    transform: rotate(360deg);  
  }  
}  
@keyframes flash {  
  0%, 30%, 100% {  
    opacity: 0;  
    box-shadow: 0 0 0vw 0vw yellow;  
  }  
  5% {  
    opacity: 1;  
    box-shadow: 0 0 2vw 0.4vw yellow;  
  }  
}

这里每个萤火虫的移动轨迹都是单独定制的，也可以使用Sass进行复用，效果如下：

暗夜流星

和萤火虫特效不同，暗夜流星顾名思义，就是璀璨的流星划过长夜，给人以转瞬即逝的美丽，首先还是设置容器元素：

<div class="star"></div>  
<div class="meteor-1"></div>  
<div class="meteor-2"></div>  
<div class="meteor-3"></div>  
<div class="meteor-4"></div>  
<div class="meteor-5"></div>  
<div class="meteor-6"></div>  
<div class="meteor-7"></div>  
<div class="meteor-8"></div>  
<div class="meteor-9"></div>  
<div class="meteor-10"></div>  
<div class="meteor-11"></div>  
<div class="meteor-12"></div>  
<div class="meteor-13"></div>  
<div class="meteor-14"></div>  
<div class="meteor-15"></div>

这里除了流星容器，我们还使用stat容器设置繁星满天的效果，和流星特效交相辉映，相得益彰。

随后设置CSS样式:

.star {  
  width: 1px;  
  height: 1px;  
  background: transparent;  
  box-shadow: 678px 47px #fff, 1218px 895px #fff, 808px 793px #fff, 1059px 585px #fff, 1657px 258px #fff, 1671px 34px #fff, 758px 990px #fff, 290px 246px #fff, 1783px 218px #fff, 968px 883px #fff, 710px 1px #fff, 1785px 533px #fff, 868px 829px #fff, 224px 672px #fff, 1083px 122px #fff, 1539px 180px #fff, 218px 198px #fff, 1460px 661px #fff, 1480px 103px #fff, 1061px 319px #fff, 1676px 566px #fff, 1563px 130px #fff, 98px 63px #fff, 768px 957px #fff, 143px 693px #fff, 846px 363px #fff, 1372px 200px #fff, 1025px 708px #fff, 193px 160px #fff, 955px 262px #fff, 96px 433px #fff, 1628px 30px #fff, 287px 653px #fff, 441px 241px #fff, 1594px 722px #fff, 1803px 743px #fff, 1235px 85px #fff, 1780px 126px #fff, 801px 832px #fff, 1008px 51px #fff, 1552px 610px #fff, 1264px 756px #fff, 429px 980px #fff, 1058px 775px #fff, 759px 999px #fff, 696px 66px #fff, 630px 879px #fff, 1352px 688px #fff, 270px 262px #fff, 825px 821px #fff, 1670px 750px #fff, 623px 165px #fff, 1605px 987px #fff, 1386px 135px #fff, 1480px 136px #fff, 1115px 987px #fff, 783px 212px #fff, 1715px 255px #fff, 151px 339px #fff, 1653px 184px #fff, 1773px 302px #fff, 103px 604px #fff, 492px 218px #fff, 543px 831px #fff, 1137px 855px #fff, 1637px 553px #fff, 1256px 644px #fff, 789px 596px #fff, 336px 829px #fff, 442px 976px #fff, 1457px 169px #fff, 1535px 642px #fff, 1587px 775px #fff, 1437px 380px #fff, 1907px 759px #fff, 1308px 280px #fff, 752px 747px #fff, 1638px 859px #fff, 1152px 967px #fff, 469px 76px #fff, 1913px 156px #fff, 1357px 316px #fff, 1474px 191px #fff, 1387px 489px #fff, 1541px 890px #fff, 157px 647px #fff, 1288px 546px #fff, 113px 482px #fff, 676px 787px #fff, 1431px 453px #fff, 1656px 664px #fff, 1539px 855px #fff, 647px 714px #fff, 1692px 342px #fff, 303px 534px #fff, 1017px 72px #fff, 1408px 771px #fff, 1837px 517px #fff, 1561px 221px #fff, 655px 554px #fff, 1228px 607px #fff, 886px 262px #fff, 1874px 857px #fff, 1379px 252px #fff, 669px 216px #fff, 886px 803px #fff, 334px 413px #fff, 380px 517px #fff, 1448px 619px #fff, 350px 527px #fff, 327px 520px #fff, 1492px 523px #fff, 1652px 35px #fff, 1792px 921px #fff, 1538px 819px #fff, 1213px 197px #fff, 1554px 220px #fff, 1213px 554px #fff, 1046px 873px #fff, 1727px 702px #fff, 375px 369px #fff, 976px 51px #fff, 982px 448px #fff, 1750px 269px #fff, 52px 756px #fff, 1241px 334px #fff, 132px 886px #fff, 1276px 640px #fff, 1158px 35px #fff, 45px 613px #fff, 1608px 707px #fff, 744px 982px #fff, 1555px 274px #fff, 1681px 795px #fff, 660px 614px #fff, 1764px 191px #fff, 1627px 685px #fff, 1094px 542px #fff, 1762px 750px #fff, 129px 694px #fff, 579px 19px #fff, 514px 896px #fff, 967px 785px #fff, 368px 547px #fff, 262px 355px #fff, 1180px 643px #fff, 757px 416px #fff, 389px 821px #fff, 289px 731px #fff, 555px 699px #fff, 551px 934px #fff, 572px 895px #fff, 1721px 1000px #fff, 1141px 262px #fff, 552px 298px #fff, 481px 862px #fff, 614px 446px #fff, 81px 147px #fff, 1429px 595px #fff, 1389px 16px #fff, 45px 767px #fff, 801px 265px #fff, 675px 876px #fff, 1032px 139px #fff, 605px 676px #fff, 1768px 346px #fff, 494px 717px #fff, 131px 207px #fff, 818px 779px #fff, 509px 258px #fff, 551px 320px #fff, 954px 224px #fff, 902px 719px #fff, 694px 715px #fff, 1785px 205px #fff, 1168px 122px #fff, 1476px 59px #fff, 351px 303px #fff, 416px 373px #fff, 646px 94px #fff, 267px 101px #fff, 1126px 21px #fff, 313px 1px #fff, 1348px 48px #fff, 363px 652px #fff, 1333px 329px #fff, 77px 664px #fff, 1778px 628px #fff, 1423px 338px #fff, 923px 327px #fff, 601px 61px #fff, 795px 652px #fff, 150px 469px #fff, 1560px 464px #fff, 1519px 794px #fff, 458px 955px #fff, 465px 994px #fff, 458px 334px #fff, 162px 779px #fff, 1296px 266px #fff, 1775px 454px #fff, 1387px 923px #fff, 1709px 337px #fff, 281px 667px #fff, 1414px 322px #fff, 1458px 237px #fff, 257px 39px #fff, 1380px 763px #fff, 777px 93px #fff, 1895px 522px #fff, 1482px 622px #fff, 1508px 434px #fff, 1096px 909px #fff, 217px 979px #fff, 119px 492px #fff, 480px 93px #fff, 105px 889px #fff, 1194px 156px #fff, 1611px 936px #fff, 130px 105px #fff, 1664px 583px #fff, 1825px 219px #fff, 911px 618px #fff, 436px 914px #fff, 1904px 794px #fff, 1897px 860px #fff, 746px 337px #fff, 1139px 318px #fff, 1882px 950px #fff, 1022px 858px #fff, 259px 704px #fff, 1550px 509px #fff, 842px 930px #fff, 401px 888px #fff, 1357px 353px #fff, 942px 733px #fff, 667px 881px #fff, 400px 317px #fff, 998px 290px #fff, 1860px 305px #fff, 1270px 46px #fff, 1421px 522px #fff, 813px 560px #fff, 348px 592px #fff, 1732px 30px #fff, 715px 479px #fff, 503px 408px #fff, 280px 652px #fff, 1037px 343px #fff, 824px 936px #fff, 34px 888px #fff, 1317px 759px #fff, 195px 80px #fff, 738px 270px #fff, 750px 516px #fff, 1486px 11px #fff, 1897px 619px #fff, 1661px 213px #fff, 353px 867px #fff, 718px 372px #fff, 320px 558px #fff, 1144px 500px #fff, 46px 519px #fff, 1839px 572px #fff, 1572px 551px #fff, 1538px 262px #fff, 625px 704px #fff, 1742px 794px #fff, 1279px 401px #fff, 1711px 865px #fff, 1082px 486px #fff, 691px 934px #fff, 447px 764px #fff, 536px 466px #fff, 1163px 40px #fff, 1820px 454px #fff, 710px 52px #fff, 707px 772px #fff, 585px 914px #fff, 1051px 71px #fff, 232px 415px #fff, 1382px 841px #fff, 478px 25px #fff, 495px 304px #fff, 323px 569px #fff, 1907px 224px #fff, 56px 997px #fff, 1653px 143px #fff, 22px 313px #fff, 613px 25px #fff, 1706px 190px #fff, 373px 719px #fff, 1744px 317px #fff, 622px 866px #fff, 799px 903px #fff, 461px 77px #fff, 282px 4px #fff, 1703px 688px #fff, 1542px 555px #fff, 1384px 38px #fff;  
}  
  
.meteor-1 {  
  position: absolute;  
  top: 221px;  
  left: 19%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 6.7s linear infinite;  
}  
.meteor-1:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-2 {  
  position: absolute;  
  top: 125px;  
  left: 90%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 5.4s linear infinite;  
}  
.meteor-2:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-3 {  
  position: absolute;  
  top: 83px;  
  left: 39%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 5s linear infinite;  
}  
.meteor-3:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-4 {  
  position: absolute;  
  top: 222px;  
  left: 93%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 5.1s linear infinite;  
}  
.meteor-4:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-5 {  
  position: absolute;  
  top: 284px;  
  left: 27%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 6.1s linear infinite;  
}  
.meteor-5:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-6 {  
  position: absolute;  
  top: 146px;  
  left: 74%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 5.5s linear infinite;  
}  
.meteor-6:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-7 {  
  position: absolute;  
  top: 185px;  
  left: 32%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 7s linear infinite;  
}  
.meteor-7:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-8 {  
  position: absolute;  
  top: 223px;  
  left: 24%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 3.7s linear infinite;  
}  
.meteor-8:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-9 {  
  position: absolute;  
  top: 272px;  
  left: 39%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 3.8s linear infinite;  
}  
.meteor-9:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-10 {  
  position: absolute;  
  top: 201px;  
  left: 33%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 5.2s linear infinite;  
}  
.meteor-10:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-11 {  
  position: absolute;  
  top: 241px;  
  left: 67%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 4s linear infinite;  
}  
.meteor-11:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-12 {  
  position: absolute;  
  top: 290px;  
  left: 86%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 8.7s linear infinite;  
}  
.meteor-12:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-13 {  
  position: absolute;  
  top: 77px;  
  left: 30%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 6.1s linear infinite;  
}  
.meteor-13:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-14 {  
  position: absolute;  
  top: 81px;  
  left: 22%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 9.6s linear infinite;  
}  
.meteor-14:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
.meteor-15 {  
  position: absolute;  
  top: 189px;  
  left: 82%;  
  width: 300px;  
  height: 1px;  
  transform: rotate(-45deg);  
  background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));  
  animation: meteor 9.7s linear infinite;  
}  
.meteor-15:before {  
  content: "";  
  position: absolute;  
  width: 4px;  
  height: 5px;  
  border-radius: 50%;  
  margin-top: -2px;  
  background: rgba(255, 255, 255, 0.7);  
  box-shadow: 0 0 15px 3px #fff;  
}  
  
@keyframes meteor {  
  0% {  
    opacity: 1;  
    margin-top: -300px;  
    margin-right: -300px;  
  }  
  12% {  
    opacity: 0;  
  }  
  15% {  
    margin-top: 300px;  
    margin-left: -600px;  
    opacity: 0;  
  }  
  100% {  
    opacity: 0;  
  }  
}

这里stat容器通过上文的box-shadow属性设置发光点，随后15颗流星容器通过meteor方法效果划过夜空：

身前是万家灯火，身后是繁星闪烁，绝了。

结语

白天不懂夜的黑，夜色朦胧最迷离，黑夜给了我们黑色的眼睛，我们却用它来寻找发光的特效，暗夜发光，独自闪耀，摄人魂魄，心驰神往，别有一番风味。

文章标签：
前端开发
容器
关键词：
CSS网页
网页CSS
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