Im trying to center a main div using margin:0px auto; but it wont work in firefox. It works in Chrome and IE any idea why this happend.css:\[code\]#mami{width:1200px;margin:0px auto;}\[/code\]html:\[code\]<body><div id='mami'> <h1>Center Me</h1></div></body>\[/code\]
