I would suggest getting into Bootstrap and try to understand their paradigm. Many other CSS Frameworks work like that, and you should do your own in a similar w

I would suggest getting into Bootstrap and try to understand their paradigm. Many other CSS Frameworks work like that, and you should do your own in a similar way to keep it clean. Bootstrap will also help you makeing pretty things in a standard way fast, plus the examples and templates all come with the typical modern layouts.