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