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