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