I have an iframe on my site in a div. I have set both to 100% in height I'm also using the blueprint framework hence `span-12 last` for the class. My question is why is there still a scroll bar on the site?
**CODE:**
Rather than just extent as much as possible it goes past the bottom of the page and has a scroll bar. Why is it assuming this height?
**SNAPSHOT:**
![enter image description here][1]
[1]: http://i.stack.imgur.com/haXNm.png
iFrame in DIV marked in red.
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