Get child div to overflow its parent div on the right

The parent div header in this case is extending on the right and in spite of using max-width.

It may be something simple I've overlooke开发者_运维问答d but I've tried padding and it just expands out further.

The site is here: http://deathproofpr.spilt.com.au/

There is an additional problem in that ie7 doesn't show the menu image at all, but I know there is a hack for this.

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You have set min-width: 880px. Remove that.

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if you want overlap effect: the width of your white "main" bg is 860px and you have a negative -10px margin on the #menuimage so I'm guessing you do and that's the question, to get it to work on both sides:

#header: remove the following

 display: table;
 height: 150px;
 max-width: 860px;
 overflow: hidden;

#header: change

  width: 860px;