@color: blue; (~"something @{color}"), world { color: blue; } .div { @color: red; (3434) { height: 100px; } (~"cool @{color}") { height: 4000px; } } .heck(@a) { color: @a+10 } .spanX (@index) when (@index > 0) { (~".span@{index}") { .heck(@index) } .spanX(@index - 1); } .spanX (0) {} .spanX (5);