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

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

Initial valuenone
Applies toall elements. It also applies to ::first-letter.
Inheritedno
Mediavisual
Computed valueas specified
Animation typediscrete
Canonical orderthe unique non-ambiguous order defined by the formal grammar

Syntax

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

Formal syntax

<br-style>

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

Examples

Here is a table showing all of the values for border-bottom-style

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 Status Comment
CSS Backgrounds and Borders Module Level 3
The definition of 'border-bottom-style' in that specification.
Candidate Recommendation No significant change.
CSS Level 2 (Revision 1)
The definition of 'border-bottom-style' in that specification.
Recommendation Initial definition.

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support 1.0 (Yes) 1.0[1] 5.5 9.2 1.0
Feature Android Edge Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support (Yes) (Yes) (Yes)[1] 7.0 (Yes) (Yes)

[1] Prior to Firefox 50, border styles of rounded corners (with border-radius) were always rendered as if border-bottom-style was&nbsolid. This has been fixed in Firefox 50.

See also

Document Tags and Contributors

 Last updated by: mfluehr,