fieldset 漂亮样式

  *
        {
            font-size: 12px;
            margin: 0;
            padding: 0;
        }
        fieldset
        {
            padding: 10px;
            margin: 10px;
            width: 960px;
            color: #333;
            border: #06c dashed 1px;
        }
        legend
        {
            color: #06c;
            font-weight: 800;
            background: #fff;
            border: #b6b6b6 solid 1px;
            padding: 3px 6px;
        }