Well you're here anyway so we'd like to show you what is meant by the term "Responsive Design". Check it out by re-sizing your browser to emulate the size of any monitor, laptop or mobile device.
Adjust the screen to match that close to a tablet or smartphone to watch how the page responds. "Responsive Design" is not a fad, it's what has become a necessity given the myriad of hardware interfaces from which users now browse the internet.
You have probably felt yourself the frustration of trying to navigate, read or respond to an old style site on a smart phone. It's easy to understand the benefits of updating your existing site now!