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