I have some problem with my CSS :
My coding so far :
#leftcolumn {
    background: url('SlicingImage/action_bar.jpg');
    background-repeat:none;
    float:left;
    z-index: -1;
}
HTML:
<div id="containerleft">
        <div id="leftcolumn"  >
            <p><img src="SlicingImage/alacards_logo.png"/></p>
            <ul>
            <li class="separator"></li>            
            <li class="buttons">home</li>
            <li class="separator"></li>
            <li class= "buttons">users</li>
            <li class="separator"></li>
            <li class= "buttons">tutorial</li>
            <li class="separator"></li>
            <li class= "buttons">issuers</li>
            <li class="separator"></li>
            <li class= "buttons">merchants</li>
            <li class="separator"></li>
            <li class= "buttons">partners</li>
            <li class="separator"></li>
            <li class= "buttons">high light</li>
            <li class="separator"></li>
            <li class= "buttons">news</li>
            <li class="separator"></li>
            <li class= "buttons">contact us</li>
            <li class="separator"></li>
            <li class="bottom"></li>     
            </ul>
        </div>
       </div> 
If I run this code, result : BG but I want that small gray area covered like this
If I delete
background: url('SlicingImage/action_bar.jpg');
become like BG2
I tried add that class="bottom", but not like what I want (must define height manually)