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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.

Try it

Syntax

/* <color> values */
border-bottom-color: red;
border-bottom-color: #ffbb00;
border-bottom-color: rgb(255, 0, 0);
border-bottom-color: hsl(100deg 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: revert;
border-bottom-color: revert-layer;
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-bottom-color = 
  <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
CSS Backgrounds and Borders Module Level 3 # border-color

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`border-bottom-color`	1	12	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	4.4	18	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