Interaction Design of Single Input

I was inspired by the Twitter method of character count handling and decided that I would build something like it. Learn more about it on my blog post here:

https://www.darcyvoutt.com/avoid-user-error-design-usable-web-forms/

See how I built it in codepen:

http://codepen.io/darcyvoutt/pen/ogXvEr

Going to start doing these design to code shots more often.