Generated by SassMeister.com.

input.scss

// lists
$widths: 0, 1, 2, 3, 4;

@each $width in $widths {
  .bw#{$width} {
    border-width: #{$width}px !important;
  }
}

output.css

.bw0 {
  border-width: 0px !important;
}

.bw1 {
  border-width: 1px !important;
}

.bw2 {
  border-width: 2px !important;
}

.bw3 {
  border-width: 3px !important;
}

.bw4 {
  border-width: 4px !important;
}

settings.json

{
  "sass": {
    "compiler": "dart-sass/1.26.11",
    "extensions": {},
    "syntax": "SCSS",
    "outputStyle": "expanded"
  },
  "autoprefixer": false
}