/* SASS variable declaraion Example, $textcolor is a sass variable holds the value 'red'*/ $textcolor:red; table{ /*style for table level*/ thead{ /*style for thead*/ tr{ /*style for tr*/ th{ /*SASS variable call example, $textcolor is called which has value 'red used for background*/ background:$textcolor; } } } tbody{ /*style for tbody*/ tr{ &.even{ /*SASS variable call example, $textcolor is called which has value 'red used for font color*/ color:$textcolor; } &.odd{ /*style for tr.odd*/ } } } }