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  +        div.page_normal {
  +            color: #a5a6a8;
  +            text-align: center;
  +            font-size: 0px;
  +            background-color: #FFFFFF;
  +        }
  +
  +        .page_normal a, .page_normal .page_current, .page_normal .page_prev {
  +            margin-left: 10px;
  +            padding: 5px 7px;
  +            border: 1px solid #cdcdcd;
  +            border-radius: 3px;
  +            width: 25px;
  +            height: 20px;
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  +            display: inline-block;
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  +            color: #ffffff;
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  +            color: #a5a6a8;
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  +            color: #ffffff;
  +            background-color: #f9f9f9;
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  -            $().UItoTop({ easingType: 'easeOutQuart' });
  +        $(document).ready(function () {
  +            $().UItoTop({easingType: 'easeOutQuart'});
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   </head>
  
positive.code: 
  <!--==============================Content=================================-->
  <!--content start-->
          <div style="background-color: #FFFFFF">
              <div id="content">
                  <div class="left" id="learn">
                      <div class="l_content">
                          <!--wz-->
                          <div class="wz">
                              <h3><a href="huahui.jsp" title="虎尾兰">虎尾兰</a></h3>
                              <dl>
                                  <dt><img src="images/s.jpg" width="200"  height="123" alt=""></dt>
                                  <dd>
                                      <p class="dd_text_1">学名：Sansevieria trifasciata Prain.<br/>
                                          别名：名虎皮兰，锦兰，千岁兰、虎尾掌、黄尾兰或岳母舌。<br/>
                                          分类：百合科，虎尾兰属。<br/>
                                          虎尾兰适应性强，性喜温暖湿润，耐干旱，喜光又耐阴。对土壤要求不严，<br/>
                                          以排水性较好的砂质壤土较好。其生长适温为20-30℃，越冬温度为10℃。</p>
  
                                  </dd>
                                  <div class="clear"></div>
                              </dl>
                          </div>
                          <!--wz end-->
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                          <div class="wz">
                              <h3><a href="#" title="观音竹">观音竹</a></h3>
                              <dl>
                                  <dt><img src="images/s1.jpg" width="200" height="123" alt=""></dt>
                                  <dd>
                                      <p class="dd_text_1">学名：Rhapis excelsa (thunb.)Henry et Rehd.<br/>
                                          别名：筋头竹。<br/>
                                          分类：棕榈科(palmae)，棕竹属。<br/>
                                          原产我国南部。喜温暖、阴湿和通风良好的环境，宜排水良好、肥沃的沙壤土，<br/>
                                          不耐寒，冬季温度不低于4℃。</p>
  
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                              <h3><a href="#" title="虎尾兰">虎尾兰</a></h3>
                              <dl>
                                  <dt><img src="images/s.jpg" width="200"  height="123" alt=""></dt>
                                  <dd>
                                      <p class="dd_text_1">学名：Sansevieria trifasciata Prain.<br/>
                                          别名：名虎皮兰，锦兰，千岁兰、虎尾掌、黄尾兰或岳母舌。<br/>
                                          分类：百合科，虎尾兰属。<br/>
                                          虎尾兰适应性强，性喜温暖湿润，耐干旱，喜光又耐阴。对土壤要求不严，<br/>
                                          以排水性较好的砂质壤土较好。其生长适温为20-30℃，越冬温度为10℃。</p>
                                  </dd>
                                  <div class="clear"></div>
                              </dl>
                          </div>
                          <!--wz end-->
                          <!--wz-->
                          <div class="wz">
                              <h3><a href="#" title="观音竹">观音竹</a></h3>
                              <dl>
                                  <dt><img src="images/s1.jpg" width="200" height="123" alt=""></dt>
                                  <dd>
                                      <p class="dd_text_1">学名：Rhapis excelsa (thunb.)Henry et Rehd.<br/>
                                          别名：筋头竹。<br/>
                                          分类：棕榈科(palmae)，棕竹属。<br/>
                                          原产我国南部。喜温暖、阴湿和通风良好的环境，宜排水良好、肥沃的沙壤土，<br/>
                                          不耐寒，冬季温度不低于4℃。</p>
  
                                  </dd>
                                  <div class="clear"></div>
                              </dl>
                          </div>
                          <!--wz end-->
  
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negative.code:         <div class="clear"></div>
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