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