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