position logo OVER nav sidebar

How do I tweak the position of the logo (upper left) so that it sits in the same place on different browsers?  Looks great in Safari.  Not so good in other browsers.  

http://nsitedesigns.com/nsitedesigns/gei/index.html

How it is supposed to look:
http://screencast.com/t/YTfbYoINFWc

.sidebar1 {
	float: left;
	width: 180px;
	background-color: none;
	padding-bottom: 10px;
	margin-top:100px;
	
}


.img_gei_logo { /*topleft logo over nav bar */
	left: 110px; 
	top:10px;
	position:absolute; 
}
	


  <div class="sidebar1"><img src="img/logo_gei.png" alt="GEI Technology Solutions" width="263" height="241" class="img_gei_logo" />
 
  <div class="sidebar_nav">
    <ul class="nav">
      <li><a href="audio.html">Audio</a></li>
      <li><a href="theater.html">Home Theater</a></li>
      <li><a href="automation.html">Home Automation</a></li>
      <li><a href="security.html">Security</a></li>
      <li><a href="wiring.html">Structured Wiring</a></li>
      <li><a href="telecom.html">Telecom/Networking</a></li>
      <li><a href="contact.html">Contact Us</a></li>
      <li><a href="index.html">Home</a></li>
    </ul></div>
    
    <div class="sidebar_logos"><img src="img/logo_control4.png" alt="Control 4 Dealer" width="156" height="155" class="logos_sidebar" /></div>
        <div class="sidebar_logos"><img src="img/logo_cedia.png" alt="Control 4 Dealer" width="155" height="213" class="logos_sidebar" /></div>
            <div class="sidebar_logos"><img src="img/logo_manty.png" alt="Control 4 Dealer" width="160" height="53" class="logos_sidebar" /></div>
    
  </div><!-- end sidebar 1 -->

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nsitedesignsAsked:
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GaryCommented:
Looks the same to me in all browsers (including Safari)

In .img_gei_logo set top to 0 and left to -50px
nsitedesignsAuthor Commented:
The logo moves to the left. Below are screen shots from my mac using the identified browsers:

Chrome
http://screencast.com/t/AIVv4NBPusE0

Internet Explorer
http://screencast.com/t/AIVv4NBPusE0
GaryCommented:
Add position:relative to .sidebar1

Change the top on the logo to -100px (tweak as necessary)

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nsitedesignsAuthor Commented:
Thanks!
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