@if $u1 == $u2 and $u1 == $u3 and $u1 == $u4 & font-size:$min-font-size; @media screen and (min-width: $min-vw) font-size: calc(#{$min-font-size}+ #{strip-unit($max-font-size-$min-font-size)} * ((100vw -#{$min-vw}) / #{strip-unit($max-vw-$min-vw)}));
@media screen and (min-width: $max-vw) font-size:$max-font-size; @else @error "Detected mixed units. Please use the same units for all parameters. " + $u1 +", " + $u2 + ", " + $u3 +", "+ $u4;