One thing that looks cool but really KILLS the eyes is the black background with bright typeface like in a bright green, sky blue, etc.
A competing agent (now out of the business) was a trust-fund baby with a rich husband who had the best-of-the-best people design her website and damn if that stuff was not hard as HECK to read.
The "coolest" and most expensive designers do not always know what is best for actual reading for any longer than about a minute.
The content actually seemed to jump around on the page, because the colors were so (for lack of a better word) "vibratory."