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