Cómo localizar outer-wrapper en plantilla de 2 columnas

#content{
float:left;
width:817px;
height:100%;
overflow:hidden;
padding:5px 5px 0 0;
}

.sidebar1{
float:left;
width:162px;
margin-right:20px;
margin-bottom:5px;
text-align:left;
padding-top:5px;
font-family:Verdana, Arial, Helvetica, Sans-Serif;
}
.sidebar1 h2{
position:relative;
top:-10px;
background:url('http://animeid.com/img/ctop.jpg') no-repeat;
color:#fff;
height:15px;
width:188px;
margin-left:3px;
font-size: 8pt;
font-weight: bold;
padding:16px 0px 6px 15px;
text-transform: uppercase;
}
.sidebar1 ul
{
list-style:none;
top:0;
margin:5px 10px 0 15px;
padding:0;
}
.sidebar1 li{
background:url(http://3.bp.blogspot.com/-7skA0ohqVjY/TpiiZftv6hI/AAAAAAAACsI/3Q54CAnn4_A/s1600/q%2Bte%2Bimportaxdd.gif) no-repeat scroll left top transparent;
border:0 none;
margin:2px 0;
padding:5px 0 2px 20px;
}
.widget-content li:hover
{
background-position:-152px 0;
color:#646464;
}
.sidebar1 .widget{
width:188px;
display:block;
background: url(http://img51.xooimage.com/files/0/1/0/cborj-25d708a.jpg) no-repeat bottom center;
text-decoration:none;
color:#555;
padding:0px 0px 8px;
margin: 5px 0 20px 0;
font-size:8pt;
}

<div class='sidebar1'>
<div class='cahaya3 section' id='Sidebar1'>
 <b:section class='sidebar' id='sidebar' preferred='yes'>
<b:widget id='Label1' locked='false' title='Categorias' type='Label'/>
</b:section>
</div>

<div class='sidebar1'>
<div class='cahaya3 section' id='Sidebar1'>
 <b:section class='sidebar' id='sidebar' preferred='yes'>
<b:widget id='Label1' locked='false' title='Categorias' type='Label'/>
</b:section>
</div>

<div id="content">