| .se { | |
|   &-fs { | |
|     @for $i from 0 through 100 { | |
|       &-#{$i} { | |
|         font-size: $i + rpx; | |
|       } | |
|     } | |
|   } | |
| 
 | |
|   &-fw { | |
|     @for $i from 0 through 10 { | |
|       &-#{$i} { | |
|         font-weight: $i * 100; | |
|       } | |
|     } | |
|   } | |
| }
 |