.form-partial-blacklist-form { @mixin row-base { display: flex; .column-url { flex: 5; min-width: 0; } .column-keys { flex: 1; min-width: 0; } .column-delete { flex: 1; min-width: 0; } } &-header { @include row-base; font-weight: bold; } &-row { @include row-base; } }