+.lin_gradient(@x1: left, @x2: right, @y1: top, @y2: bottom, @c1: @bg_colour, @c2: @dk_bg_colour) {
+ // w3c
+ background: linear-gradient(@x1 @y2, @c1, @c2);
+ // webkit
+ // -webkit-gradient(<type>, <point> [, <radius>]?, <point> [, <radius>]? [, <stop>]*)
+ background: -webkit-gradient(linear, @x1 @y1, @x2 @y2, from(@c1), to(@c2));
+ // mozilla
+ // -moz-linear-gradient([<point> || <angle>,]? <stop>, <stop> [, <stop>])
+ background: -moz-linear-gradient(@x1 @y2, @c1, @c2);
+ // opera
+ //background: -o-linear-gradient([<point> || <angle>,]? <stop>, <stop> [, <stop>]);
+ background: -o-linear-gradient(@x1, @c1, @c2);
+}