p ins:before, li ins:before { datetime datetime | 20年前 | display: inline; font-size: 80%; color: #999; content: "Add" "(@" attr(datetime) "):"; } cho45 display: inline; font-size: 80%; color: #999; content: "Add" "(@" attr(datetime) "):"; } トップ datetime p ins:before, li ins:before { トップ datetime p ins:before, li ins:before {