From Design Shack: Everyone with a website needs a style guide. It’s that simple. If you’re wanting to instil more consistency in your project, and get everyone on the same page, your style guide will become invaluable.
Now that we have that out of the way, what exactly do you put in that guide? And how do you make sure other people on the team follow the rules so that your visual presence maintains consistency? That’s a little more complicated.