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