.se { &-h { @for $i from 0 through 1000 { @if $i % 5 == 0 { &-#{$i} { height: $i + rpx; } } @if $i <=100 { &-p-#{$i} { height: $i * 1%; } &-vh-#{$i} { height: $i + vh; } } } &-n { height: unset; } } &-lh { @for $i from 0 through 200 { @if $i % 5 == 0 { &-#{$i} { line-height: $i + rpx; } } } &-n { line-height: unset; } } }