How can I keep this div from disappearing?

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The grey div on the right hand side slips behind the calendar when you reduce the size of your browser. I tried to give it a "min-width" hoping to avoid that, but it didn't work.

What am I missing?

I want to make sure that the right hand column stays visible. How do I do that?

Some of my formatting is inline, but my stylesheet is at

Bruce GustPHP DeveloperAsked:
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Tom BeckCommented:
In what browser do see this happening? I checked Chrome, Firefox, and Safari. The gray box sits to the right of the calendar until there's not enough room for both. Then the gray box drops down below the calendar to the left. I'm not seeing it go behind the calendar.

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I'm not seeing the problem in Chrome, Firefox or IE11.  Using a grid framework like Skeleton or Bootstrap might make this behavior easier if you're running into compatability issues.
Bruce GustPHP DeveloperAuthor Commented:
Hey, Tom!

You're right. First off, I'm looking at IE. Secondly, my browser size was such that when I saw the right column disappear, my window wasn't large enough to see that it was, in fact, dropping below and to the left.

I suppose that makes sense because I've got it floated. I'm going to go with a table approach. Just finished it and, while antiquated, it gets the job done.

Bruce GustPHP DeveloperAuthor Commented:
Eale, I may do boostrap. I just finished a project using that approach.
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