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