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