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