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