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 value none
Applies to all elements. It also applies to ::first-letter.
Inherited no
Media visual
Computed value as specified
Animation type discrete
Canonical order the unique non-ambiguous order defined by the formal grammar


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

Formal syntax


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


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


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


/* 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;}



Browser compatibility

Feature Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 1 Yes 11 5.5 9.2 1
Feature Android webview Chrome for Android Edge mobile Firefox for Android IE mobile Opera Android iOS Safari
Basic support Yes ? Yes Yes1 7 Yes Yes

1. Prior to 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.

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.