OL有序列表 IE 与 非IE 浏览器兼容问题解决

<style>
.iknow_list{ width:241px; height:160px; padding:0px; margin-top:5px; background:url(img/fk.jpg) no-repeat right bottom}
.iknow_list ol{ margin:0px; padding:0px; width:241px;}
.iknow_list ol li{ margin:0px; padding:0px;list-style:decimal inside;display: list-item; height:24px; line-height:24px;}
</style>
<div class="iknow_list">
<ol start="1" type="1">
<li>第一名</li>
<li>第二名</li>
<li>第三名</li>
<li>第四名</li>
<li>第五名</li>
<li>第六名</li>
<li>第七名</li>
</ol>
</div>