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