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