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