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