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