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The border-style CSS property is a shorthand property that sets the line style for all four sides of an element's border.

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;

/* vertical | horizontal */
border-style: dotted solid;

/* top | horizontal | bottom */
border-style: hidden double dashed;

/* top | right | bottom | left */
border-style: none solid dotted dashed; 

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

The border-style property may be specified using one, two, three, or four values.

  • When one value is specified, it applies the same style to all four sides.
  • When two values are specified, the first style applies to the top and bottom, the second to the left and right.
  • When three values are specified, the first style applies to the top, the second to the left and right, the third to the bottom.
  • When four values are specified, the styles apply to the top, right, bottom, and left in that order (clockwise).

Each value is a keyword chosen from the list below.

Values

<br-style>
Describes the style of the border. It can have the following values:
none
Like the hidden keyword, displays no border. Unless a background-image is set, the calculated value of border-top-width will be 0, even if the specified value is something else. In the case of table cell and border collapsing, the none value has the lowest priority: if any other conflicting border is set, it will be displayed.
hidden
Like the none keyword, displays no border. Unless a background-image is set, the calculated value of border-top-width will be 0, even if the specified value is something else. In the case of table cell and border collapsing, the hidden value has the highest priority: if any other conflicting border is set, it won't be displayed.
dotted
Displays a series of rounded dots. The spacing of the dots is not defined by the specification and is implementation-specific. The radius of the dots is half the calculated border-top-width.
dashed
Displays a series of short square-ended dashes or line segments. The exact size and length of the segments are not defined by the specification and are implementation-specific.
solid
Displays a single, straight, solid line.
double
Displays two straight lines that add up to the pixel size defined by border-width or border-top-width.
groove
Displays a border with a carved appearance. It is the opposite of ridge.
ridge
Displays a border with an extruded appearance. It is the opposite of groove.
inset
Displays a border that makes the element appear embedded. It is the opposite of outset. When applied to a table cell with border-collapse set to collapsed, this value behaves like groove.
outset

Displays a border that makes the element appear embossed. It is the opposite of inset. When applied to a table cell with border-collapse set to collapsed, this value behaves like ridge.

Formal syntax

<br-style>{1,4}

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

Examples

Table with all property values

Here is an example of all the property values.

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: #52E396;
}
tr, td {
  padding: 2px;
}

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

Output

Specific​ations

Specification Status Comment
CSS Backgrounds and Borders Module Level 3
La definición de 'border-style' en esta especificación.
Candidate Recommendation No change.
CSS Level 2 (Revision 1)
La definición de 'border-style' en esta especificación.
Recommendation Adds hidden keyword value.
CSS Level 1
La definición de 'border-style' en esta especificación.
Recommendation Initial definition.

Valor inicialas each of the properties of the shorthand:
Applies toall elements. It also applies to ::first-letter.
Heredableno
Mediavisual
Valor calculadoas each of the properties of the shorthand:
Animation typediscrete
Canonical orderel orden único no-ambigüo definido por la gramática formal

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Soporte básico1121143.51
FeatureAndroid webviewChrome para AndroidEdge mobileFirefox para AndroidOpera AndroidiOS SafariSamsung Internet
Soporte básico2.6 ?1241 Si3 ?

1. Prior to Firefox 50, border styles of rounded corners were always rendered as if border-style was solid. This has been fixed in Firefox 50.

See also

Etiquetas y colaboradores del documento

Colaboradores en esta página: SphinxKnight, javierpolit, teoli, Yuichiro, Nathymig
Última actualización por: SphinxKnight,