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