Element block pseudo-element :after generated with height auto background overflow visible text-shadow 0px 0px 9px rgba(20,255,20,0.7) transform font-size 16px border-radius box-sizing content-box width auto display block border 0px rgba(0,0,0,1) solid padding 0px float none margin 0px font-weight normal transition cursor default line-height 1 position static z-index auto box-shadow