border-left-color

border-left-color 属性设置元素的左边框颜色。值得注意的是，在大数情况下使用 border-color 或 border-left 更加方便和普遍。

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

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

初始值	`currentcolor`
适用元素	all elements. It also applies to `::first-letter`.
是否是继承属性	否
计算值	computed color
Animation type	a color

语法

border-left-color 属性取值为单个颜色值.

取值

<color>: 左边框的颜色。

正式语法

<color>where 
<color> = <rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>
where 
<rgb()> = rgb( <percentage>{3} [ / <alpha-value> ]? ) | rgb( <number>{3} [ / <alpha-value> ]? ) | rgb( <percentage>#{3} , <alpha-value>? ) | rgb( <number>#{3} , <alpha-value>? )
<rgba()> = rgba( <percentage>{3} [ / <alpha-value> ]? ) | rgba( <number>{3} [ / <alpha-value> ]? ) | rgba( <percentage>#{3} , <alpha-value>? ) | rgba( <number>#{3} , <alpha-value>? )
<hsl()> = hsl( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsl( <hue>, <percentage>, <percentage>, <alpha-value>? )
<hsla()> = hsla( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsla( <hue>, <percentage>, <percentage>, <alpha-value>? )
where 
<alpha-value> = <number> | <percentage>
<hue> = <number> | <angle>

例子

一个带边框的简单 div

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

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

Result

Specifications

Specification	Status	Comment
CSS Backgrounds and Borders Module Level 3 border-left-color	Candidate Recommendation	No significant changes, though the `transparent` keyword, now included in `<color>` which has been extended, has been formally removed.
CSS Level 2 (Revision 1) border-left-color	Recommendation	Initial definition

Browser compatibility

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