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