Cloud Four

We make the Web mobile.

What we do

Responsive Web Apps

Have an existing or new application that needs to work on multiple devices? We can help you design and build it.

Responsive App Development

Complex Responsive Design

We're the team people call on when facing tough responsive web design challenges. We tame the beasts.

Complex Responsive Design

Making Teams Responsive

We help web teams adapt to a multi-device world by bringing education and training into our projects.

Training and Education

Stuff We Do

What we're up to

Our Projects

We've had the good fortune to work with many amazing clients including Obama '08 iPhone App and Deschutes Brewery.

We maintain several open source projects like our hide/show password and off-canvas menu plugins and wrote the Head First Mobile Web book.

Upcoming Events

In 2014, you can find us at over a dozen events both stateside and abroad, including An Event Apart San Diego, User Experience Lisbon, and the Smashing Conference in Freiburg, Germany.

Check out our list of upcoming events to find out where we'll be next!

Jason GrigsbyResponsive Images 101

March 16, 2015
by Jason Grigsby

Now that responsive images have landed in browsers, it seemed like a good time to step back and cover the basics for those who are just starting to tackle responsive images…

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