<!doctype html>
<html>

<head>
  <meta charset="utf-8">
  <title>坐标系示例</title>
  <style>
    div {
      margin-bottom: 10px;
    }

    label {
      display: inline-block;
      width: 70px;
      text-align: right;
      padding-right: 10px;
    }
  </style>
</head>
<body>
  <form>
    <p>选择你最喜欢的颜色</p>
    <div>
      <input id="image" type="image" src="colors.png" alt="四色方块">
    </div>
  </form>
</body>

</html>
