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border-right

The border-right CSS property is a shorthand that sets the values of border-right-color, border-right-style, and border-right-width. These properties describe the right border of elements.

The three values of the shorthand property can be specified in any order, and one or two of them may be omitted.

As with all shorthand properties, border-right always sets the values of all of the properties that it can set, even if they are not specified. It sets those that are not specified to their default values. This means that:

  border-right-style: dotted;
  border-right: thick green;

is actually the same as

  border-right-style: dotted;
  border-right: none thick green;

and the value of border-right-style given before border-right is ignored.

Since the default value of border-right-style is none, not specifying the border-style part of the value means that the property specifies its default value which is none and means no border.

Initial value as each of the properties of the shorthand:
Applies to all elements. It also applies to ::first-letter.
Inherited no
Media visual
Computed value as each of the properties of the shorthand:
Animation type as each of the properties of the shorthand:
Canonical order order of appearance in the formal grammar of the values

Syntax

border-right: 1px;
border-right: 2px dotted;
border-right: medium dashed green;

Values

<br-width> 
See border-right-width.
<br-style> 
See border-right-style.
<color> 
See border-right-color.

Formal syntax

<br-width> || <br-style> || <color>
where 
<br-width> = <length> | thin | medium | thick
<br-style> = none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset
<color> = <rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>
where 
<rgb()> = rgb( <rgb-component>#{3} )
<rgba()> = rgba( <rgb-component>#{3} , <alpha-value> )
<hsl()> = hsl( <hue>, <percentage>, <percentage> )
<hsla()> = hsla( <hue>, <percentage>, <percentage>, <alpha-value> )
<named-color> = transparent | aliceblue | antiquewhite | aqua | aquamarine | azure | beige | bisque | black | blanchedalmond | blue | blueviolet | brown | burlywood | cadetblue | chartreuse | chocolate | coral | cornflowerblue | cornsilk | crimson | cyan | darkblue | darkcyan | darkgoldenrod | darkgray | darkgreen | darkgrey | darkkhaki | darkmagenta | darkolivegreen | darkorange | darkorchid | darkred | darksalmon | darkseagreen | darkslateblue | darkslategray | darkslategrey | darkturquoise | darkviolet | deeppink | deepskyblue | dimgray | dimgrey | dodgerblue | firebrick | floralwhite | forestgreen | fuchsia | gainsboro | ghostwhite | gold | goldenrod | gray | green | greenyellow | grey | honeydew | hotpink | indianred | indigo | ivory | khaki | lavender | lavenderblush | lawngreen | lemonchiffon | lightblue | lightcoral | lightcyan | lightgoldenrodyellow | lightgray | lightgreen | lightgrey | lightpink | lightsalmon | lightseagreen | lightskyblue | lightslategray | lightslategrey | lightsteelblue | lightyellow | lime | limegreen | linen | magenta | maroon | mediumaquamarine | mediumblue | mediumorchid | mediumpurple | mediumseagreen | mediumslateblue | mediumspringgreen | mediumturquoise | mediumvioletred | midnightblue | mintcream | mistyrose | moccasin | navajowhite | navy | oldlace | olive | olivedrab | orange | orangered | orchid | palegoldenrod | palegreen | paleturquoise | palevioletred | papayawhip | peachpuff | peru | pink | plum | powderblue | purple | rebeccapurple | red | rosybrown | royalblue | saddlebrown | salmon | sandybrown | seagreen | seashell | sienna | silver | skyblue | slateblue | slategray | slategrey | snow | springgreen | steelblue | tan | teal | thistle | tomato | turquoise | violet | wheat | white | whitesmoke | yellow | yellowgreen
<deprecated-system-color> = ActiveBorder | ActiveCaption | AppWorkspace | Background | ButtonFace | ButtonHighlight | ButtonShadow | ButtonText | CaptionText | GrayText | Highlight | HighlightText | InactiveBorder | InactiveCaption | InactiveCaptionText | InfoBackground | InfoText | Menu | MenuText | Scrollbar | ThreeDDarkShadow | ThreeDFace | ThreeDHighlight | ThreeDLightShadow | ThreeDShadow | Window | WindowFrame | WindowText
where 
<rgb-component> = <integer> | <percentage>
<alpha-value> = <number>
<hue> = <number>

Examples

The three component of a right borders can be defined: width, style and color.
 
<div class="sample" style="width:100px;height:100px;background-color:rgb(255, 240, 245)"></div>
  
.sample { 
  border-right: 3px solid #000; 
}
The style can be set to any border-right-style value.
 
<div class="sample" style="width:100px;height:100px;background-color:rgb(255, 240, 245)"></div>
  
.sample { 
  border-right: 3px dotted #000; 
}
The color can be set to any border-right-color value.
 
<div class="sample" style="width:100px;height:100px;background-color:rgb(255, 240, 245)"></div>
  
.sample { 
  border-right: 3px solid #f00; 
}
The width can be set to any border-right-width value.
 
<div class="sample" style="width:100px;height:100px;background-color:rgb(255, 240, 245)"></div>
  
.sample { 
  border-right: 1px solid #000; 
}
The values can be declared in any order.
 
<div class="sample" style="width:100px;height:100px;background-color:rgb(255, 240, 245)"></div>
  
.sample { 
  border-right: blue solid 2px; 
}

Specifications

Specification Status Comment
CSS Backgrounds and Borders Module Level 3
The definition of 'border-right' in that specification.		 Candidate Recommendation No direct changes, though the modification of values for the border-right-color do apply to it.
CSS Level 2 (Revision 1)
The definition of 'border-right' in that specification.		 Recommendation No significant changes
CSS Level 1
The definition of 'border-right' in that specification.		 Recommendation Initial definition

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 1.0 (Yes) 1.0 (1.7 or earlier) 4 3.5 1.0 (85)
Feature Android Edge Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support 1.0 (Yes) 1.0 (1.0) (Yes) (Yes) (Yes)

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https://developer.mozilla.org/en-US/docs/Web/CSS/border-right