Login and Signup form using HTML, CSS and JavaScript

Stylish form using HTML, CSS and JavaScript. This is the simple and stylish form design using html css, if you want to make html form like this, so you can easily make it, because there is no rocket science to make this form.

I'm creating this form to guide you, how can you make it and also I'm giving it's source code where you can learn more and understanding the code.

This is the examples, how form looks like this.