border-top-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.

border-top-color 属性用以设置某元素顶部 border的颜色。通常,用border-colorborder-top 设置该颜色更为便捷可取。

尝试一下

语法

css
/* <color> values */
border-top-color: red;
border-top-color: #ffbb00;
border-top-color: rgb(255, 0, 0);
border-top-color: hsla(100%, 50%, 25%, 0.75);
border-top-color: currentColor;
border-top-color: transparent;

/* Global values */
border-top-color: inherit;
border-top-color: initial;
border-top-color: unset;

border-top-color 属性的值为单值。

<color>

上边框的颜色。

形式语法

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

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

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

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

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

示例

一个简单的带边框容器

HTML

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

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

.redtext {
  color: red;
}

结果

规范

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

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-top-color

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

参见