佔位符不顯示在jquery可排序，拖放

Question

我無法顯示可分類項目在div中的佔位符。

<script type="text/javascript"> 
$(function() { 
$("#userContent").sortable({ 
     handle: '.close_button', 
     connectWith: '#userContent', 
     placeholder: 'placeholder', 
     forcePlaceholderSize: true, 
     tolerance: 'pointer', 
     revert: true, 
    }); 
}); 
</script> 
<style type="text/css"> 
.webtitle_paragraphs { 
    width:98%; 
    float:left; 
    border:1px solid #0099CC; 
    margin:5px; 
} 
.close_button { 
    display:block; 
    overflow:visible; 
    visibility:visible; 
    height:20px; 
    background:#0099CC; 
    width:100%; 
} 
.placeholder { 
    background: #f0f0f0; 
    border:1px dashed #ddd; 
    visibility: visible !important; 
} 

.webtitle input { 
    width:98%; 
    font: bold 20px verdana; 
    border:0px; 
} 
.paragraph_txt textarea { 
    width:98%; 
    height:auto; 
    border:0px; 
} 
</style> 

<div id="userContent"> 
    <div class="webtitle_paragraphs" id="div4463_text"> 
    <div class="close_button" id="close_4463"><a onclick="removeDiv('div4463_text');"><img src="images/close_button.png" alt="close" width="15" height="15" border="0" align="right"/></a></div> 
    <div class="webtitle_paragraph"> 
     <div class="webtitle"> 
     <input value="Title" name="webtitle4463" type="text" class="text _4463" /> 
     </div> 
    </div> 
    </div> 
    <div class="webtitle_paragraphs" id="div7192_image"> 
    <div class="close_button" id="close_7192"><a onclick="removeDiv('div7192_image');"><img src="images/close_button.png" alt="close" width="15" height="15" border="0" align="right"/></a></div> 
    <div class="webtitle_paragraph"> 
     <div class="paragraph"><img src="https://localhost/web20/user_site_designs/images/noImage.jpeg" id="img7192" class="imageCntrl"/> 
     <input type="hidden" name="imgName7192" id="imgName7192" value="" class="image _7192"/> 
     </div> 
    </div> 
    </div> 
    <div class="webtitle_paragraphs" id="div9683_paragraph"> 
    <div class="close_button" id="close_9683"><a onclick="removeDiv('div9683_paragraph');"><img src="images/close_button.png" alt="close" width="15" height="15" border="0" align="right"/></a></div> 
    <div class="webtitle_paragraph"> 
     <div class="paragraph_txt"> 
     <textarea class="paragraph _9683" name="myTextarea9683" id="myTextarea9683">Paragraphp</textarea> 
     </div> 
    </div> 
    </div> 
</div> 

Answer 1

添加float：保留爲.placeholder風格。

回覆後還有一個逗號：真的不應該在那裏。