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

/* 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: unset; 

border-top-style

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

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

Syntax

/* 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: unset; 

The border-top-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

Setting border-top-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: 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 4 # the-border-style

See also

The other style-related border properties: border-left-style, border-right-style, border-bottom-style, and border-style. The other top-border-related properties: border-top, border-top-color, and border-top-width.

Last modified: Aug 12, 2021, by MDN contributors

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