Question

IE7 absolute and relative positioning problems ...

Asked by: Eternal_Student

Hi,

If you look at the following code in IE7 and FF you will see the difference. The layer should appear over all other layers but in IE7 it doesn't ... any ideas?

Thanks

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
 
<body>
 
<div style="position:relative;width:300px;height:200px;border:1px solid #000;">
	<div style="position:absolute; width:200px; height:400px; background-color:#FFFF00;border:1px dotted #ff0000; z-index:99">This box should overlap the box below?</div>
</div>
 
<div style="position:relative; width:300px; height:200px; border:1px solid #000; background-color:#CCCCCC; z-index:0;">
	<p>... But it doesn't in IE7?</p>
</div>
 
</body>
</html>

                                  
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Asked On
2009-07-02 at 02:15:25ID24538963
Topics

Cascading Style Sheets (CSS)

,

Hypertext Markup Language (HTML)

,

Miscellaneous Web Development

Participating Experts
4
Points
250
Comments
8

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Answers

 

by: x_comPosted on 2009-07-02 at 03:40:33ID: 24761886

Hi Eternal_Student,
Try reduce the z-index using negative value.
eg:
<div style="position:relative; width:300px; height:200px; border:1px  solid #000; background-color:#CCCCCC; z-index:-1;">

 

by: Eternal_StudentPosted on 2009-07-02 at 03:56:46ID: 24761956

Hi x com,

I had already tried that and the div disappears completely.

It works in this example I have given but there must be some other factors in the real version.

Any other ideas?

 

by: x_comPosted on 2009-07-02 at 21:10:34ID: 24769727

>>..It works in this example I have given but there must be some other factors in the real version.
I only able test via the test case here. Perhaps any other control that causing the issue? Possible post some of the real version code that not working properly?

 

by: poweraddictPosted on 2009-07-02 at 22:36:13ID: 24770120

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Documment</title>
</head>
 
<body>
    <div style="position:absolute;width:200px; height:400px; background-color:#FFFF00;border:1px dotted #ff0000; z-index:1">This box should overlap the box below?</div>
<div style="position:relative;width:300px;height:200px;border:1px solid #000;">
     
 
 </div>
<div style="position:relative; width:300px; height:200px; border:1px solid #000; background-color:#CCCCCC; z-index:0;">
        <p>... But it doesn't in IE7?</p>
</div>
 
</body>
</html>

                                              
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by: arekkusuPosted on 2009-07-03 at 01:07:40ID: 24770736

For me ditch the relative positioning and the z-index - then it displays how you wish. 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
 
<body>
 
<div style="width:300px;height:200px;border:1px solid #000;">
        <div style="position:absolute; width:200px; height:400px; background-color:#FFFF00;border:1px dotted #ff0000;">
		This box should overlap the box below?
	</div>
</div>
 
<div style="width:300px; height:200px; border:1px solid #000; background-color:#CCCCCC;">
        <p>... But it doesn't in IE7?</p>
</div>
 
</body>
</html>

                                              
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by: Eternal_StudentPosted on 2009-07-03 at 08:17:20ID: 24772852

OK - I have noticed that if I add position:relative to my container it works by setting the z-index to -1.

Why would the container need position:relative?

 

by: Eternal_StudentPosted on 2009-07-03 at 08:33:01ID: 24772958

But now when I set the z-index to -1 it hides in FF with position:relative on the container!!!

I have added a hack for ie ... any ideas why this is happening also?

Here is what I have ...

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
 
<body>
 
<div style="width:99.8%;font-size:82%;background-color:#fff; position:relative">
 
<div style="position:relative;width:300px;height:200px;border:1px solid #000;">
	<div style="position:absolute; width:200px; height:400px; background-color:#FFFF00;border:1px dotted #ff0000; z-index:99">This box should overlap the box below?</div>
</div>
 
<div style="position:relative; width:300px; height:200px; border:1px solid #000; background-color:#CCCCCC; *z-index:-1">
	<p>... But it doesn't in IE7?</p>
</div>
 
</div>
 
</body>
</html>

                                              
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by: KravimirPosted on 2009-07-03 at 16:38:58ID: 24774946

20120131-EE-VQP-002

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