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Convert px to em
// Default font size
$base-font-size: 16px;
// px2em
// Use: font-size: px2em( 12px, 14px );
@function px2em( $target, $context: $base-font-size ) {
@if $target == 0 {
@return 0;
}
@return $target / $context + 0em;
}
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