$side: (top, bottom, right, left)
$style: (dotted, dashed, solid, double, groove, ridge, inset, outset, none, hidden)
$color: (red)

@for $i from 1 through 500

    .border-#{$style}-#{$i}-#{$color}
        border-style: #{$style} !important
        border-width: #{$i}px !important
        border-color: #{$color} !important

    .border-#{$i}
        border-width: #{$i}px !important

    .border-#{$color}
        border-color: #{$color} !important

    .border-#{$style}
        border-style: #{$style} !important

    .border-radius-#{$i}
        border-radius: #{$i}px !important

    @each $side in $sides 
        .border-#{$side}-#{$style}-#{$i}
            border-#{side}: #{$i}px #{$style} #{$color} !important