Streamfish Posted May 9, 2009 Share Posted May 9, 2009 http://portalbird.com/As you see, the first grey box is pushed 100 px down.But, i have set the top margin of that box to be zero:( "container" is the big gray one, and "header" is the smaller and darker one. )#container { width: 450px; height: 900px; background: rgb(200, 200, 200); margin: 0 auto; } #header { width: 300px; height: 80px; margin: auto; margin-top: 100px; background: rgb(100, 100, 100); }It is the darker box inside it that is ment to be pushed 100px down!why does this happen?EDIT:Problem solved, the content of the webpage wil now be removed.The old HTML and CSS is here:XHTML:<!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" xml:lang="en" lang="no"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Portalbird</title><link rel="stylesheet" href="styleSheet.css" type="text/css" media="all" /></head><body><div id="firstTestContainer"> <div id="container"> <div id="header"> </div> </div></div> <div id="secondTestContainer"> <div id="container"> <div id="secondHeader"> </div> </div></div></body></html> CSS: #firstTestContainer { height: 1000px; width: 460px; border: 1px black solid; float:left; }#secondTestContainer { height: 1000px; width: 460px; border: 1px black solid; float: right; } #container { width: 450px; height: 900px; background: rgb(200, 200, 200); margin: 0 auto; } #header { width: 300px; height: 80px; margin: auto; margin-top: 100px; background: rgb(100, 100, 100); } #secondHeader { width: 300px; height: 80px; margin: 0 auto; background: rgb(100, 100, 100); } Link to comment Share on other sites More sharing options...
Ingolme Posted May 9, 2009 Share Posted May 9, 2009 Because top and bottom margins have a strange reverse-inheritance that I've never completely understood. You can solve it by adding "overflow: auto;" to the #container.By the way, you can't use the same id attribute on two different elements in the same page. Use class instead. Link to comment Share on other sites More sharing options...
Streamfish Posted May 9, 2009 Author Share Posted May 9, 2009 Ah, thank you wery much^^Now i'l be able to sleep tonight. Link to comment Share on other sites More sharing options...
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