// Convert pixels to ems | |
// eg. for a relational value of 12px write em(12) when the parent is 16px | |
// if the parent is another value say 24px write em(12, 24) | |
@function em($pxval, $base: $em-base) { | |
@if not unitless($pxval) { | |
$pxval: strip-units($pxval); | |
} | |
@if not unitless($base) { | |
$base: strip-units($base); | |
} | |
@return ($pxval / $base) * 1em; | |
} |