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  5. border-top-style

border-top-style

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨July 2015⁩.

>

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

Try it

border-top-style: none; 
border-top-style: dotted; 
border-top-style: dashed; 
border-top-style: solid; 
border-top-style: groove; 
border-top-style: inset; 
<section id="default-example">   <div class="transition-all" id="example-element">     This is a box with a border around it.   </div> </section> 
#example-element {   background-color: #eeeeee;   color: black;   border: 0.75em solid;   padding: 0.75em;   width: 80%;   height: 100px; }  body {   background-color: white; }

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

Syntax

css
/* Keyword values */ border-top-style: none; border-top-style: hidden; border-top-style: dotted; border-top-style: dashed; border-top-style: solid; border-top-style: double; border-top-style: groove; border-top-style: ridge; border-top-style: inset; border-top-style: outset;  /* Global values */ border-top-style: inherit; border-top-style: initial; border-top-style: revert; border-top-style: revert-layer; border-top-style: unset;

The border-top-style property is specified as a single <line-style> keyword value.

Formal definition

Initial valuenone
Applies toall elements. It also applies to ::first-letter.
Inheritedno
Computed valueas specified
Animation typediscrete

Formal syntax

border-top-style = 
  <line-style>  

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

Examples

>

Setting border-top-style

HTML

html
<table>   <tbody>     <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>   </tbody> </table>

CSS

css
/* Define look of the table */ table {   border-width: 2px;   background-color: #52e385; } tr, td {   padding: 3px; }  /* border-top-style example classes */ .b1 {   border-top-style: none; } .b2 {   border-top-style: hidden; } .b3 {   border-top-style: dotted; } .b4 {   border-top-style: dashed; } .b5 {   border-top-style: solid; } .b6 {   border-top-style: double; } .b7 {   border-top-style: groove; } .b8 {   border-top-style: ridge; } .b9 {   border-top-style: inset; } .b10 {   border-top-style: outset; }

Result

Specifications

Specification
CSS Backgrounds and Borders Module Level 3>
# border-style>

Browser compatibility

See also

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