border-left-style - CSS（层叠样式表） 编辑

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

The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.

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

Syntax

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

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

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

Formal syntax

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

Examples

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

Result

Specifications

Specification	Status	Comment
CSS Backgrounds and Borders Module Level 3 border-left-style	Candidate Recommendation	No significant change.
CSS Level 2 (Revision 1) border-left-style	Recommendation	Initial definition.

初始值	none
适用元素	all elements. It also applies to ::first-letter.
是否是继承属性	否
计算值	as specified
Animation type	discrete

Browser compatibility

BCD tables only load in the browser

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

See also

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