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