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