PX to EM conversion functions

px-to-em.scss

// Functions for px to em conversions
// ------------------------------------------------------------

@function emify($target, $context) {
   @if $target == 0 { @return 0 }
   @return $target / $context + 0em;
}

// Make px to ems using base-font-size
// echo as: font-size: em-font(#px);

@function em-font($target, $context: $base-font-size) {
   @return emify($target, $context);
}


// Make px to ems using base-line-height
// echo as: font-size: em-base(#px);

@function em-base($target, $context: $base-line-height) {
   @return emify($target, $context);
}