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