Yes, you can use a website builder to do the CSS for you – CSS is for styling. UltimateWB for example has a built-in styles manager and you can design your own style without any coding if you want.
Got a techy/website question? Whether it’s about UltimateWB or another website builder, web hosting, or other aspects of websites, just send in your question in the “Ask David!” form. We will email you when the answer is posted on the UltimateWB “Ask David!” section