Element block pseudo-element :after generated with border 0px rgba(0,0,0,1) solid box-sizing content-box background position fixed padding 20px transition float none font-size 16px margin 5px overflow hidden text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform font-weight normal display block height auto border-radius line-height 1 width 160px cursor default z-index auto