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