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Summary

The border-top-color CSS property sets the color of the top border of an element. Note that in many cases the shorthand CSS properties border-color or border-top are more convenient and preferable.

Initial valuecurrentColor
Applies toall elements. It also applies to ::first-letter.
Inheritedno
Mediavisual
Computed valueIf the value is translucent, the computed value will be the rgba() corresponding one. If it isn't, it will be the rgb() corresponding one. The transparent keyword maps to rgba(0,0,0,0).
Animatableyes, as a color
Canonical orderthe unique non-ambiguous order defined by the formal grammar

Syntax

border-top-color: red;
border-top-color: rgb(255, 128, 0);
border-top-color: hsla(100%, 50%, 25%, 0.75);
border-top-color: #ffbb00;
border-top-color: currentColor;
border-top-color: transparent;

border-top-color: inherit;

Values

<color>
Is a <color> CSS value describing the color of the top border.
inherit
Is a keyword denoting the color of the top border of the parent's element (which may be different from the border-top-color default value)

Formal syntax

<color>
where 
<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> = <ident>
<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

A simple div with a border

HTML Content

<div class="mybox">
  <p>This is a box with a border around it.
     Note which side of the box is
     <span class="redtext">red</span>.</p>
</div>

CSS Content

.mybox {
  border: solid 0.3em gold;
  border-top-color: red;
  width: auto;
}

.redtext {
  color: red;
}

Result

Specifications

Specification Status Comment
CSS Backgrounds and Borders Module Level 3
The definition of 'border-top-color' in that specification.		 Candidate Recommendation No significant changes, though the transparent keyword, now included in <color> which has been extended, has been formally removed.
CSS Level 2 (Revision 1)
The definition of 'border-top-color' in that specification.		 Recommendation Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 1.0 1.0 (1.7 or earlier)[1] 4.0 3.5 1.0 (85)
Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support 1.0 1.0 (1.0)[1] 6.5 11 1.0

[1] Gecko-based browsers like Firefox also supports the non-standard -moz-border-top-colors CSS properties that sets the top border to multiple colors.

See also

Etiquetas do documento e colaboradores

Etiquetas: 
 Colaboradores desta página: Krenair, Sebastianz, fscholz, jsx, teoli, J-Mackerel, kscarfone, Sheppy, FredB, ethertank, Yuichiro, grendel, Jürgen Jeka, Killerowski, Mgjbot, BijuGC
 Última atualização por: Krenair,