请问大家关于IE下面的一个li的兼容性问题_html/css_WEB-ITnose

                <ul class="selectionblock">                    <li>第一级别</li>                    <li class="selected">第二级别</li>                    <li>第三级别</li>                </ul>

ol, ul {    list-style: none;    margin:0;    padding:0;}li {    display: list-item;}ul.selectionblock li {    font-family:"微软雅黑", "Microsoft Yahei", 'Segoe UI', 'Open Sans', Verdana, Arial, Helvetica, sans-serif;    font-weight: 400;    font-size: 9pt;    min-width: 50px;    min-height: 25px;    height: 25px;    background-color: #9CC4E4;    border: 1px transparent solid;    color: #353535;    margin:0;    border-raduis: 0;    display: block;    margin:0;    float:left;    text-align: center;    vertical-align: middle;    cursor: pointer;    padding: 4px 10px;    position: relative;    *font-size:13px;    *height:auto!important;    *vertical-align:bottom;    overflow:hidden;}ul.selectionblock li.selected {    background-color:#F26C4F;    color:white;    height:29px;    top:-2px;}