d;
      color: infotext;
      border: 1px solid infotext;
      padding: 1px;
      font: menu;
    }
    .tooltip2 {
      background: #C0C0FF;
      color: infotext;
      border: 1px solid infotext;
      padding: 1px;
      font: menu;
      width: 120px;
    }
    span {
      border-bottom: 1px dotted black;
    }
  </style>
  </head>
<body>
  <h1>goog.ui.Tooltip</h1>
  <p>
    <button id="btn1">Hover me</button>
    <button id="btn2">and me</button>
    <button id="btn3">and me</button>
    <button