<div id="tips" class="center-block">                <h5 class="tips_head">                  <u>遇到問題？</u>                </h5>                <div class="tips_content">                  <ol>                    <li>Ctrl+F5刷新本頁面</li>                    <li>關閉頁面，重新加載本頁面和登錄</li>                    <li>更換瀏覽器（建議使用火狐和谷歌瀏覽器）</li>                    <li>聯系我們 </li>                  </ol>                </div>              </div>

    $(function() { //遇到問題的彈出文字      $("#tips h5.tips_head").bind("click", function() {        var $tips_content = $(this).next("div.tips_content");        if ($tips_content.is(":visible")) {          $tips_content.hide();        } else {          $tips_content.show();        }      })    })

.tips_head {   padding-left:20px;   cursor: pointer ;  text-align:left;  margin-top:20px;  color:red;}.tips_content {   padding: ;   border-top: 1px solid #0050D0;  display:block;  display:none;  text-indent: 2em;  text-align:left; }