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