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