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