This was a drag and drop web page visual composer based on Firefox and the latest version I found is from over 13 years ago. If this project was continued could be so helpful for the indie web right now, specially for someone like me. I really struggled to get my page a descent layout by raw code but could just be so easy doing it directly on a visual program rather than writing code and see if it works in the live preview
Well, CSS is pretty complex and complicated, so its rather better learnt than trying to force an editor to do all the loops and whistles.