LESS loop

gistfile1.less

@bulletcolours:
    black  @color-black,
    blue   @color-blue,
    red    @color-red,
    green  @color-green,
    yellow @color-yellow,
    navy   @color-navy,
    orange @color-orange,
    grey   @color-grey;

.coloursBulletSelectors (@i) when (@i > 0) {

    @item: extract(@bulletcolours, @i);
    @label: extract(@item, 1);
    @colour: extract(@item, 2);

    &.circles-@{label} {
        li:before {
            padding: 10px;
            background-color: @colour;
        }
    }

  .coloursBulletSelectors((@i - 1));
}

.coloursBulletSelectors( length(@bulletcolours) );