parent and child div not expanding

parent and child div not expanding

I had a create an application using jquery mobile framework.In dat i had bind my data dynamically from the database and appending it to a child div inside the parent div.But My problem is my parent div and child div not expanding according to the content.I had paste my code here.

html part

<div id="div_tempfl" data-role="header"  data data-theme="f">
        <!--<h3 id="tempnameheaderh3"></h3>-->
       <div id="divtempflinner" class="div_tempfl_inner"></div>
        
    </div>


css part

#div_tempfl
     {
       
        min-height: 120px;
        background-color:#F9F9F9;
        
     }

     #div_tempfl div.div_tempfl_inner
     {
      
       width: 550px;
       word-wrap: break-word;    
       text-align: center;
       font-size: 30px;
       font-weight: bold;
       font-family:"customfont";
       position: absolute;        
       top:5px;
       bottom: 0;
       left: 0;
       right: 0;
       margin:auto;
            
     }