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