带有多个颜色结点的从上到下的线性渐变 - 在线编辑器

          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    #grad1 {
      height: 200px;
      background: -webkit-linear-gradient(red, green, blue);
      /* Safari 5.1 - 6.0 */
      background: -o-linear-gradient(red, green, blue);
      /* Opera 11.1 - 12.0 */
      background: -moz-linear-gradient(red, green, blue);
      /* Firefox 3.6 - 15 */
      background: linear-gradient(red, green, blue);
      /* 标准的语法（必须放在最后） */
    }

    #grad2 {
      height: 200px;
      background: -webkit-linear-gradient(red, orange, yellow, green, blue, indigo, violet);
      /* Safari 5.1 - 6.0 */
      background: -o-linear-gradient(red, orange, yellow, green, blue, indigo, violet);
      /* Opera 11.1 - 12.0 */
      background: -moz-linear-gradient(red, orange, yellow, green, blue, indigo, violet);
      /* Firefox 3.6 - 15 */
      background: linear-gradient(red, orange, yellow, green, blue, indigo, violet);
      /* 标准的语法（必须放在最后） */
    }

    #grad3 {
      height: 200px;
      background: -webkit-linear-gradient(red 10%, green 85%, blue 90%);
      /* Safari 5.1 - 6.0 */
      background: -o-linear-gradient(red 10%, green 85%, blue 90%);
      /* Opera 11.1 - 12.0 */
      background: -moz-linear-gradient(red 10%, green 85%, blue 90%);
      /* Firefox 3.6 - 15 */
      background: linear-gradient(red 10%, green 85%, blue 90%);
      /* 标准的语法（必须放在最后） */
    }
  </style>
</head>
<body>

  <h3>3 个颜色结点（均匀分布）</h3>
  <div id="grad1"></div>

  <h3>7 个颜色结点（均匀分布）</h3>
  <div id="grad2"></div>

  <h3>3 个颜色结点（不均匀分布）</h3>
  <div id="grad3"></div>

  <p><strong>注意：</strong> 当未指定百分比时，颜色结点不会自动均匀分布。</p>
  <p><strong>注意：</strong> Internet Explorer 9 及之前的版本不支持渐变。</p>

</body>
</html>
        