// Convert pixels to rems // eg. for a relational value of 12px write rem(12) // Assumes $em-base is the font-size of @function rem($pxval) { @if $output-bourbon-deprecation-warnings == true { @warn "[Bourbon] [Deprecation] `rem` is deprecated and will be " + "removed in 5.0.0."; } $user-deprecation-warnings-setting: $output-bourbon-deprecation-warnings; $output-bourbon-deprecation-warnings: false !global; @if not unitless($pxval) { $pxval: strip-units($pxval); } $base: $em-base; @if not unitless($base) { $base: strip-units($base); } $output-bourbon-deprecation-warnings: $user-deprecation-warnings-setting !global; @return ($pxval / $base) * 1rem; }