Make your existing website responsive: http://www.turnresponsive.com
Why do you want to use Bootstrap when you can achieve the same thing without using it?
Discover the simplest way to create a responsive website without using bootstrap at all. All I’m using in this example is pure HTML5 & CSS3.
Now you can go responsive without really needing any other frameworks. Build your responsive website today with this easy tutorial.
If you have any questions please ask and I’ll reply promptly.