市松模様生成mixin - Qiita

@mixin pattern-check($color1:'#fff', $color2:'#000', $target:'.hoge', $col:4) { #{$target} { background-color:#{$color1}; } @if $col % 2 == 0 { @for $i from 0 through floor(($col - 1) / 2) { &:nth-child(#{$col * 2}n + #{($i * 2) + 1}) , &:nth-child(#{$col * 2}n + #{($i * 2) + $col + 2}) { #{$target} { background-color:#{$color2}; } } } } @else { @for $i from 0 through floor(($col - 1) / 2) { @for