CSS参考手册
背景和边框 | Backgrounds & Borders
左边框颜色 | 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 |
no |
适用媒体 |
visual |
计算值 |
computed color |
Animation type |
a color |
正规顺序 |
the unique non-ambiguous order defined by the formal grammar |
语法
border-left-color
属性取值为单个颜色值.
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} | <number>{3} ] [ / <alpha-value> ]? ] | [ [ <percentage>#{3} | <number>#{3} ] , <alpha-value>? ] )
<rgba()> = rgba( [ [ <percentage>{3} | <number>{3} ] [ / <alpha-value> ]? ] | [ [ <percentage>#{3} | <number>#{3} ] , <alpha-value>? ] )
<hsl()> = hsl( [ <hue> <percentage> <percentage> [ / <alpha-value> ]? ] | [ <hue>, <percentage>, <percentage>, <alpha-value>? ] )
<hsla()> = hsla( [ <hue> <percentage> <percentage> [ / <alpha-value> ]? ] | [ <hue>, <percentage>, <percentage>, <alpha-value>? ] )
where
<alpha-value> = <number> | <percentage>
<hue> = <number> | <angle>
示例
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;
}
结果
规范
Specification |
Status |
Comment |
---|---|---|
CSS Backgrounds and Borders Module Level 3The definition of 'border-left-color' in that specification. |
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)The definition of 'border-left-color' in that specification. |
Recommendation |
Initial definition |
浏览器兼容性
Feature |
Chrome |
Edge |
Firefox (Gecko) |
Internet Explorer |
Opera |
Safari (WebKit) |
---|---|---|---|---|---|---|
Basic support |
1.0 |
(Yes) |
1.0 (1.7 or earlier)1 |
4 |
3.5 |
1.0 (85) |
Feature |
Android |
Edge |
Firefox Mobile (Gecko) |
IE Phone |
Opera Mobile |
Safari Mobile |
---|---|---|---|---|---|---|
Basic support |
1.0 |
(Yes) |
1.0 (1.0)1 |
6.5 |
11 |
1.0 |
1 Firefox等基于Gecko的浏览器也支持非标准的-moz-border-left-colors
CSS属性,将左边界设置为多种颜色。
另见
- 边界相关的简写属性:
border
,border-left
,和border-color
。
- 其他与边框颜色相关的CSS属性:
border-right-color
,border-bottom-color
,和border-top-color
。
- 其他应用于相同边框的CSS属性:
border-left-style
和border-left-width
。
背景和边框 | Backgrounds & Borders相关
层叠样式表( Cascading Style Sheets )是一种用来表现 HTML 或 XML 等文件样式的计算机语言。CSS 不仅可以静态地修饰网页,还可以配合各种脚本语言动态地对网页各元素进行格式化。