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