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