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