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