Highlighted by Žiga Macedoni
From Creating a Dead Simple Sass Mixin to Handle Responsive Breakpoints by Tim Knight
@mixin breakpoint($class) {
@if $class == xs {
@media (max-width: 767px) { @content; }
}
@else if $class == sm {
@media (min-width: 768px) { @content; }
}
@else if $class == md {
@media (min-width: 992px) { @content; }
}
@else if $class == lg {
@media (min-width: 1200px) { @content; }
}
@else {
@warn "Breakpoint mixin supports: xs, sm, md, lg";
}
}