Element block pseudo-class :active generated with width 160px position static border 0px rgba(0,0,0,1) solid cursor default font-weight normal margin 13px text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius z-index auto box-shadow 1px 1px 1px rgba(234,21,21,0.3) height auto transition line-height 1 overflow hidden padding 20px transform background float none box-sizing content-box display block font-size 16px