Element block pseudo-class :active generated with z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto padding 20px float none transition line-height 1 box-sizing content-box font-weight normal width 160px transform background overflow hidden border-radius display block border 0px rgba(0,0,0,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default margin 0px font-size 16px position static