Problem with position absolute in ie7, div moves 10px to the right
ive got a problem on my position absolute property on IE7. My div moves 10px to the right. Below is my code. IE8 and 9 works fine. id menu is the div Im referring.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
body{margin: 0 0 0 0; padding: 0 0 0 0;}
#holder{width: 400px; height: 500px; margin: 0 auto;}
#left{float: left; width: 50px; height: 500px; background-color: red;}
#center{float: left; width: 300px; height: 500px; background-color: green;}
#right{float: left; width: 50px; height: 500px; background-color: red;}
#header{width: 300px; height: 70px; background-color: yellow;}
#gal-holder{width: 280px; height: 70px; margin: 0 auto;}
#gallery{width: 280px; height: 410px; background-color: orange;}
#button{width: 400px; height: 45px; background-color: red; margin: 0 auto;}
#menu{width: 300px; height: 45px; background-color: pink; position: absolute; z-index: 1000; top: 100px;}
#content{width: 380px; height: 200px; margin: 0 auto; background-color: blue; padding: 10px; color: #fff;}
#clear{height: 10px;}
</style>
</head>
<body>
<div id="holder">
<div id="left"></div>
<div id="center">
<div id="header"></div>
<div id="menu"></div>
<div id="gal-holder">
<div id="clear"></div>
<div id="gallery"></div>
<div id="clear"></div>
</div>
</div>
<div id="right"></div>
</div>
<div id="button"></div>
<div id="content">Sample text</div>
</body>
</html>
Answer
Add position:relative to #center and then left:0px to #menu.
Absolutely positioned elements are positioned relative to their closest positioned parent. It's best to give the items you want to position a left/right and top/bottom coordinate to prevent weird results like the one you found.