Форк Rambox
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/**
* adds a css outline to an element with compatibility for IE8/outline-offset
* NOTE: the element receiving the outline must be positioned (either relative or absolute)
* in order for the outline to work in IE8
*
* @param {number} [$width=1px]
* The width of the outline
*
* @param {string} [$style=solid]
* The style of the outline
*
* @param {color} [$color=#000]
* The color of the outline
*
* @param {number} [$offset=0]
* The offset of the outline
*
* @param {number/list} [$border-width=0]
* The border-width of the element receiving the outline.
* Required in order for outline-offset to work in IE8
*/
@mixin css-outline(
$width: 1px,
$style: solid,
$color: #000,
$offset: 0,
$border-width: 0
) {
outline: $width $style $color;
outline-offset: $offset;
@if $include-ie {
.#{$prefix}ie8 & {
outline: none;
&:after {
position: absolute;
content: ' ';
top: -$offset - $width - top($border-width) ;
right: -$offset - $width - right($border-width);
bottom: -$offset - $width - bottom($border-width);
left: -$offset - $width - left($border-width);
border: $width $style $color;
}
}
}
}