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