_rfs-enable-class {\n @if $rfs-class == \"enable\" {\n .enable-responsive-font-size &,\n &.enable-responsive-font-size {\n @content;\n }\n }\n @else {\n @content;\n }\n}\n\n// Internal mixin used to determine which media query needs to be used\n@mixin _rfs-media-query($mq-value) {\n @if $rfs-two-dimensional {\n @media (max-width: #{$mq-value}), (max-height: #{$mq-value}) {\n @content;\n }\n }\n @else {\n @media (max-width: #{$mq-value}) {\n @content;\n ...