First, use the version of Bootstrap we are learning:
https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css
more about that here:
Second, I think this class is an error: class=“col-2-3” and I see it in several forms in your code. I think it should be something like: class =“col-xs-3 col-md-3”.
Third, if you set your fonts and padding with numbers, it can’t be responsive, can it? You’ll want to let Bootstrap figure out the size needed depending on the screen size.
hope that helps