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