请务必收下这10+个加载特效，保证让你的项目大放异彩⭐（二）

<!-- loading.html -->
<div class="spinner">
  <div class="outer">
    <div class="inner tl"></div>
    <div class="inner tr"></div>
    <div class="inner br"></div>
    <div class="inner bl"></div>
  </div>
</div>
复制代码

/* loading.css */
.spinner {
  position: absolute;
  width: 128px;
  height: 128px;
  top: calc(50% - 64px);
  left: calc(50% - 64px);
  transform: perspective(206px) rotateX(45deg);
}
.outer {
  box-sizing: border-box;
  animation: spin 3s linear infinite;
  height: 100%;
}
.inner {
  position: absolute;
  border-radius: 50%;
  width: 64px;
  height: 64px;
  animation: spin 1.8s ease-in-out infinite;
}
.inner.tl {
  top: 0;
  left: 0;
  border-top: 2px solid #531430;
  border-left: 4px solid #531430;
}
.inner.tr {
  top: 0;
  right: 0;
  border-top: 2px solid #e04960;
  border-right: 4px solid #e04960;
}
.inner.br {
  bottom: 0;
  right: 0;
  border-bottom: 2px solid #531430;
  border-right: 4px solid #531430;
}
.inner.bl {
  bottom: 0;
  left: 0;
  border-bottom: 2px solid #e04960;
  border-left: 4px solid #e04960;
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

<!-- loading.html -->
<span class="loading">
  <span class="loading-inner"></span>
</span>

/* loading.css */
.loading {
  display: inline-block;
  width: 30px;
  height: 30px;
  position: relative;
  border: 4px solid #e04960;
  animation: loader 4s infinite ease;
}
.loading-inner {
  vertical-align: top;
  display: inline-block;
  width: 100%;
  background-color: #e04960;
  animation: loader-inner 4s infinite ease-in;
}
@keyframes loader {
  0% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(180deg);
  }
  50% {
    transform: rotate(180deg);
  }
  75% {
    transform: rotate(360deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes loader-inner {
  0% {
    height: 0%;
  }  
  25% {
    height: 0%;
  }
  50% {
    height: 100%;
  }
  75% {
    height: 100%;
  } 
  100% {
    height: 0%;
  }
}