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