Question

Why does a page floats left in IE6 and IE 7?

buggy site

Answer 1

To work around buggy older versions of IE, you can center it something like this:

body{
  text-align:center; /* for older browsers */
}

#main_container{
  margin:0 auto;
  width:1000px;
  text-align:left; /* this is important */
}