css - Footer won't extend into overflow -

I do not have a real experience when CSS comes. I am working with Bootstrap and building footer. I got the footer to stick to the bottom of the page

However, I can not get it to expand it overflow. In other words, when overflow occurs and I scroll right to see the overflow, then there is not a footer in the area on the right side. I have overflow and width CSS Tried to mess with properties but there is no luck.

Here's one.

If anyone else has this problem, then I came up with a solution using Hmhcreative's suggestions By doing, I chose the status: fixed; and width: 100%; has finished setting up. Updated here

Thanks everyone!