border-bottom-style

The border-bottom-style CSS property sets the line style of an element's bottom border.

Note: The specification doesn't define how borders of different styles connect in the corners.

Syntax

/* Keyword values */
border-bottom-style: none;
border-bottom-style: hidden;
border-bottom-style: dotted;
border-bottom-style: dashed;
border-bottom-style: solid;
border-bottom-style: double;
border-bottom-style: groove;
border-bottom-style: ridge;
border-bottom-style: inset;
border-bottom-style: outset;

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

The border-bottom-style property is specified as a single keyword chosen from those available for the border-style property.

Formal definition

Initial value	`none`
Applies to	all elements. It also applies to `::first-letter`.
Inherited	no
Computed value	as specified
Animation type	discrete

Formal syntax

<line-style>where 
<line-style> = none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset

Examples

Demonstrating all border styles

HTML

<table>
  <tr>
    <td class="b1">none</td>
    <td class="b2">hidden</td>
    <td class="b3">dotted</td>
    <td class="b4">dashed</td>
  </tr>
  <tr>
    <td class="b5">solid</td>
    <td class="b6">double</td>
    <td class="b7">groove</td>
    <td class="b8">ridge</td>
  </tr>
  <tr>
    <td class="b9">inset</td>
    <td class="b10">outset</td>
  </tr>
</table>

CSS

/* Define look of the table */
table {
  border-width: 3px;
  background-color: #52E385;
}
tr, td {
  padding: 3px;
}

/* border-bottom-style example classes */
.b1 {border-bottom-style: none;}
.b2 {border-bottom-style: hidden;}
.b3 {border-bottom-style: dotted;}
.b4 {border-bottom-style: dashed;}
.b5 {border-bottom-style: solid;}
.b6 {border-bottom-style: double;}
.b7 {border-bottom-style: groove;}
.b8 {border-bottom-style: ridge;}
.b9 {border-bottom-style: inset;}
.b10 {border-bottom-style: outset;}

Result

Specifications

Specification
CSS Backgrounds and Borders Module Level 4 (CSS Backgrounds and Borders 4) # border-style

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-style`	1	12	1 Before Firefox 50, border styles of rounded corners (with `border-radius`) were always rendered as if `border-bottom-style` was `solid`. This has been fixed in Firefox 50.	5.5	9.2	1	≤37	18	4 Before Firefox 50, border styles of rounded corners (with `border-radius`) were always rendered as if `border-bottom-style` was `solid`. This has been fixed in Firefox 50.	14	1	1.0