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