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.header { width: 1024px; margin: 0 auto; height: 60px; border-top: 2px solid #019875; }.header dl { cursor: pointer; }.header dt i { height: 0; width: 0; overflow: hidden; display: inline-block; border-width: 4px 4px 0; border-style: solid dashed; border-color: #fff transparent transparent; }.header dl:hover i {transform: rotate(180deg); }.collapsible_menu { line-height: 30px; background-color: #019875; color: #fff; }.collapsible_menu dt { min-width: 105px; padding: 0 40px 0 20px; }.collapsible_menu dd a { color: #fff; display: block; padding: 0px 20px; }.collapsible_menu dd a:hover { background-color: #91cebe; }

<div class="fz">    <div class="header fix">        <dl id="collapsible_menu" class="r collapsible_menu">            <dt>                <span>psycho_z</span>                <i class="trans"></i>            </dt>            <dd><a href="javascript:;">我的简历</a></dd>            <dd><a href="javascript:;">我收藏的职位</a></dd>            <dd><a href="javascript:;">我的订阅</a></dd>            <dd><a href="javascript:;">账号设置</a></dd>            <dd><a href="javascript:;">退出</a></dd>        </dl>    </div></div>

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