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