border-bottom-color

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

概述

border-bottom-color 属性设置一个元素底部边框的颜色。应当指出,在多数情况下,CSS 简写属性 border-colorborder-bottom 更方便实用。

初始值currentcolor
适用元素所有元素. It also applies to ::first-letter.
是否是继承属性
计算值颜色计算值
动画类型a color

语法

css
border-bottom-color: yellow;
border-bottom-color: #f5f6f7;

<color>

一个描绘底边的颜色的 CSS <color> 值。

inherit

一个代表父元素底边颜色的关键字(可能和 border-bottom-color 默认值不同)

正式语法

border-bottom-color = 
<color> |
<image-1D>

<image-1D> =
<stripes()>

<stripes()> =
stripes( <color-stripe># )

<color-stripe> =
<color> &&
[ <length-percentage> | <flex> ]?

<length-percentage> =
<length> |
<percentage>

示例

一个带有边框的简单 div

HTML 内容

html
<div class="mybox">
  <p>
    This is a box with a border around it. Note which side of the box is
    <span class="redtext">red</span>.
  </p>
</div>

CSS 内容

css
.mybox {
  border: solid 0.3em gold;
  border-bottom-color: red;
  width: auto;
}

.redtext {
  color: red;
}

结果

规范

Specification
CSS Backgrounds and Borders Module Level 3
# border-color

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
border-bottom-color

Legend

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Full support
Full support

参见