\"em\" {\n  $rfs-breakpoint: divide($rfs-breakpoint, divide($rfs-breakpoint * 0 + 1, $rfs-rem-value));\n}\n\n// Internal mixin that adds disable classes to the selector if needed.\n@mixin _rfs-disable-class {\n  @if $rfs-class == \"disable\" {\n    // Adding an extra class increases specificity, which prevents the media query to override the font size\n    &,\n    .disable-responsive-font-size &,\n    &.disable-responsive-font-size {\n      @content;\n    }\n  }\n  @else {\n    @content;\n  }\n}\n\n//...