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