Responsive HTML5/CSS3/JS Base Apparel Coming Soon Page

This was the first time I implemented some basic email validation on JavaScript. I made so I could re-use the code in upcoming challenges that bring the same requirement.

The validation itself is not bullet-proof (since it's client-side, anyway), but provides a good start.

This was the first project, however, in which I decided to make a design change. The FEM's model includes a submit button that feels completely out of place with an apparent "3D-look" that sticks like a sore thumb and is disturbingly reminiscent of iOS's slide-to-unlock feature. It makes no sense visually. I thus removed the linear gradient and the box-shadow in favor of a flat style. I also changed the email field's background color so a higher contrast would differentiate it more from the feature's overall background.