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