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