Moodboard

You might say

Here are my references: the three I like set the feel, the crossed-out one is what to avoid. Style the site this way.

A moodboard collects reference images, colors, and keywords on one board—align on "what feeling" before building the page."Make it premium" or "give it breathing room" rarely means the same thing to you and the AI. Collect five or six screenshots you like, one or two you dislike, and the main color, then send the collage—working from pictures lands far closer than adjectives. Fixing a wrong direction at the collage stage means swapping a reference; after the page is built, it means redoing the work.
Further reading