border-bottom-style CSS属性设置元素的底部的线条样式border。
/* Keyword values */ border-bottom-style: none; border-bottom-style: hidden; border-bottom-style: dotted; border-bottom-style: dashed; border-bottom-style: solid; border-bottom-style: double; border-bottom-style: groove; border-bottom-style: ridge; border-bottom-style: inset; border-bottom-style: outset; /* Global values */ border-bottom-style: inherit; border-bottom-style: initial; border-bottom-style: unset;
注意：规范没有定义不同风格的边界如何连接角落。
|
初始值 |
none |
|---|---|
|
适用元素 |
all elements. It also applies to ::first-letter. |
|
是否是继承属性 |
no |
|
适用媒体 |
visual |
|
计算值 |
as specified |
|
Animation type |
discrete |
|
正规顺序 |
the unique non-ambiguous order defined by the formal grammar |
语法
border-bottom-style属性被指定为从border-style属性中选择的单个关键字。
正式语法
<br-style>where <br-style> = none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset
示例
这是一个表格，显示了所有border-bottom-style的值
HTML
<table> <tr> <td class="b1">none</td> <td class="b2">hidden</td> <td class="b3">dotted</td> <td class="b4">dashed</td> </tr> <tr> <td class="b5">solid</td> <td class="b6">double</td> <td class="b7">groove</td> <td class="b8">ridge</td> </tr> <tr> <td class="b9">inset</td> <td class="b10">outset</td> </tr> </table>
CSS
/* Define look of the table */ table { border-width: 3px; background-color: #52E385; } tr, td { padding: 3px; } /* border-bottom-style example classes */ .b1 {border-bottom-style: none;} .b2 {border-bottom-style: hidden;} .b3 {border-bottom-style: dotted;} .b4 {border-bottom-style: dashed;} .b5 {border-bottom-style: solid;} .b6 {border-bottom-style: double;} .b7 {border-bottom-style: groove;} .b8 {border-bottom-style: ridge;} .b9 {border-bottom-style: inset;} .b10 {border-bottom-style: outset;}
结果
规范
|
Specification |
Status |
Comment |
|---|---|---|
|
CSS Backgrounds and Borders Module Level 3The definition of 'border-bottom-style' in that specification. |
Candidate Recommendation |
No significant change. |
|
CSS Level 2 (Revision 1)The definition of 'border-bottom-style' in that specification. |
Recommendation |
Initial definition. |
浏览器兼容性
|
Feature |
Chrome |
Edge |
Firefox (Gecko) |
Internet Explorer |
Opera |
Safari |
|---|---|---|---|---|---|---|
|
Basic support |
1.0 |
(Yes) |
1.01 |
5.5 |
9.2 |
1.0 |
|
Feature |
Android |
Edge |
Firefox Mobile (Gecko) |
IE Phone |
Opera Mobile |
Safari Mobile |
|---|---|---|---|---|---|---|
|
Basic support |
(Yes) |
(Yes) |
(Yes)1 |
7.0 |
(Yes) |
(Yes) |
在Firefox 50之前，圆角（带border-radius）的边框样式总是呈现为如同border-bottom-style被设置为 solid一样。这已在Firefox 50中修复。
另见
- 其他样式相关的边框属性：
border-left-style，border-right-style，border-top-style，和border-style。
- 另外底部边框相关的属性：
border-bottom，border-bottom-color，和border-bottom-width。
