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