How to test your website for responsive design
There is a cool feature in Firefox that allows you to test how your website will look at different screen sizes, devices and orientation – Firefox Responsive Design View. Tools > Developer > Responsive Design View. Check out this article from jQuery4u
Firefox Responsive Design View | jQuery4u
I tend to use Chrome more these days but frequently need to test in other browsers. Here is a new feature in Firefox called Responsive Design View….