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