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border-bottom-color

The border-bottom-color CSS property sets the color of an element's bottom border. It can also be set with the shorthand CSS properties border-color or border-bottom.

Syntax

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

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

The border-bottom-color property is specified as a single value.

Values

<color>
The color of the bottom border.

Formal definition

Initial value currentcolor
Applies to all elements. It also applies to ::first-letter.
Inherited no
Computed value computed color
Animation type a color

Formal syntax

<'border-top-color'>

Examples

A simple div with a border

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-bottom-color: red;
    width: auto;
}

.redtext {
    color: red;
}

Result

Specifications

Specification Status Comment
CSS Backgrounds and Borders Module Level 3
The definition of 'border-bottom-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-bottom-color' in that specification.
Recommendation Initial definition

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
border-bottom-color 1 12 1
1
Firefox also supports the non-standard -moz-border-bottom-colors CSS property that sets the bottom border to multiple colors.
4 3.5 1
Mobile
Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
border-bottom-color 1 18 4
4
Firefox also supports the non-standard -moz-border-bottom-colors CSS property that sets the bottom border to multiple colors.
10.1 1 1.0

See also

© 2005–2020 Mozilla and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/border-bottom-color