border-bottom-style

在本文章中

Syntax
1. Formal syntax
Examples
Specifications
Browser compatibility
See also

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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.

初始值	`none`
适用元素	all elements. It also applies to `::first-letter`.
是否是继承属性	否
适用媒体	visual
计算值	as specified
Animation type	discrete
正规顺序	the 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

这是一种可显示border-bottom-style所有属性的标签。

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 border-bottom-style	Candidate Recommendation	No significant change.
CSS Level 2 (Revision 1) border-bottom-style	Recommendation	Initial definition.

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.

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最后编辑者: CJWbiu, Sep 1, 2017, 8:29:40 AM

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