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