Answered css not working?

[[$7in1-header]]

[[$7in1-logo-nav-search-bar]]

					<div class="clear"></div>
					<div id="page_container" class="grid_16">
						<div id="container_bkgnd_btm" class="grid_16 alpha omega pngfix">
							<div id="post_content" class="grid_16 leftPadding20 pngfix">
								
									<div class="post-top">
<h3>[[*pagetitle]]</h3>
<h5>[[*longtitle]]</h5>
</div>					
	
					
							<div class="entry">
		<div id="column_factfile_sidebar"><p>asdfsdsdf</p>
<p>dfsgsdfgdf</p>
<p>dfgdfgdfsg</p>
<p>dfgdfsgsdfg</p>
<p>sdfgsdfg</p>
<p>sdfgdsfg</p>
<p>sdfgdfg</p>
<p>dfgdfgdfsg</p>
<p>dfgdfsgsdfg</p>
<p>sdfgsdfg</p>
<p>sdfgdsfg</p>
<p>sdfgdfg</p></div>	

<div id="column_factfile">

		[[*factfile1]]	
[[*factfile2]]		
				</div>

<hr width="76%" align="left">

[[*content]]
		
					
<hr width="76%" align="left">				
										[[Gallery?
   &toPlaceholder=`gallery`
   &album=`Album2`
   &plugin=`galleriffic`
   &numThumbs=`10`
]]
 
[[getImageList? 
  &tvname=`gallery` 
  &tpl=`gallerifficTpl`
  &toPlaceholder=`thumbnails`
]]
 
[[[[+thumbnails:notempty=`$galleriffic`]]]]

									 </div>
									</div>
								

							<!-- end post_content -->
							</div>
					<!-- end container_bkgnd_btm --></div>
					
					<!-- end page_container -->
					<div class="clear"></div>
					<div id="bottom_lid" class="grid_16 pngfix"> </div>
					[[$7in1-bottomwidgets]]
					<div id="footer_lid" class="grid_16 pngfix"> </div>
					[[$7in1-footer]]

#gal-gaff-gallery {
float:left;
width: 400px;
height: 400px;
margin-left: 120px;
}
div.galleriffic div.slideshow img {
float:left;
margin-left: 23px;
}
#gal-gaff-thumbs{
float:left;
width: 640px !important;
}
.post-top2 {
    clear: both;
    float: left;
    padding-bottom: 7px;
    position: relative;
    width: 100%;
}
.post-top h5 {
    color: #dd7500;
}
.post-top h3 {
    color: #6A9D19;
}
#column_factfile {
width: 715px;
border: 1px solid #000000;
}

#column_factfile_sidebar {
width: 200px;
border: 1px solid #000000;
float:right;
margin-right:20px;
}
#gal-gaff-caption.caption-container {
height:30px;
}
#gal-gaff-thumbs.navigation {
width:900px !important;
}