// mixins for mobile responsiveness @mixin screen($res-min, $res-max) { @media screen and ( min-width: $res-min ) and ( max-width: $res-max ) { @content; } } @mixin max-screen($res) { @media screen and ( max-width: $res ) { @content; } } @mixin min-screen($res) { @media screen and ( min-width: $res ) { @content; } }