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