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