List various properties with corresponding variables

_mixins_list-properties.less

// Mixin
.list-properties(@property, @list, @index: length(@list)) when (@index > 0) {
	.list-properties(@property, @list, (@index - 1));

	@value: extract(@list, @index);

	&-@{value} {
		@{property}: @value;
	}
}

// Weights
.weight {
	@list: normal, bold;
	.list-properties(font-weight, @list);
}

// Styles
.style {
	@list: normal, italic;
	.list-properties(font-style, @list);
}

// Alignment
.align {
	@list: left, right, center, justify;
	.list-properties(text-align, @list);
}