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@dmitry dmitry/rem forked from xonic/rem
Created Apr 21, 2014

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// Mixin that allows to specify arbitrary CSS properties with
// unitless numbers. The output has rem unit with pixel fallback.
// Shorthand assignments are supported too!
$base_line: 10;
@mixin rem($property, $values, $important:"")
{
// Placeholder variables
$shorthand_px: "";
$shorthand_rem: "";
// Parameter $values might be a list of elements
@each $value in $values
{
// Current value is a valid number and greater than 0
@if $value != auto and $value != 0 and $value != inherit
{
// Add 'px' and 'rm' to the current value and store in
// placeholder variables
$shorthand_px: #{ $shorthand_px + " " + $value * $base_line + px };
$shorthand_rem: #{ $shorthand_rem + " " + $value + rem };
}
// Current value is 'auto' or 0
@else
{
// Add only 'auto' or 0 to the placeholder variables
$shorthand_px: #{ $shorthand_px + " " + $value };
$shorthand_rem: #{ $shorthand_rem + " " + $value };
}
}
@if $important == !important
{
$shorthand_px: #{ $shorthand_px + " !important" };
$shorthand_rem: #{ $shorthand_rem + " !important" };
}
// Output the CSS property in pixels and rems
#{$property}:$shorthand_px;
#{$property}:$shorthand_rem;
}
@dmitry

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