Element block pseudo-element :after generated with box-sizing content-box padding 20px border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) line-height 1 margin 0px border 1px rgba(255,255,255,1) solid position static width 160px height auto cursor default transform font-size 16px font-weight normal transition box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none z-index auto overflow hidden background display block