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