A Lessig File

lessig.less

@color: blue;

.mymixin() {
	background-color: @color;
  box-shadow+: inset 2px 2px 10px @color;
}

.myclass {
	.mymixin;
  box-shadow+: 10px 10px 0 black;
}

.test {
  background-color: blue;
	&:after {
  	content: ''; 
  }
}

.test-2 {
	background-color: #fff;
  padding: 0;
}