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