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