$small: "min-width: 640px"; $medium: "min-width: 768px"; $large: "min-width: 1024px"; $xlarge: "min-width: 1280px"; .segment { @media($large) { &.lg { &-hidden { display: none; } &-quarter { width: 25%; } &-third { width: 33.333%; } &-half { width: 50%; } &-two-third { width: 66.666%; } &-three-quarter { width: 75%; } &-full { width: 100%; } &-auto { width: auto; } } } }