Custom CSS for a sticky group inside a group

#float-top {
  position: -webkit-sticky !important;
  position: sticky !important;
  top: 0px !important;

This is what I use and it works in groups and reusable elements as well as inside of floating groups.

Doesn’t look like much a difference with yours.

You could also check out if you were inclined a paid plugin that allows you to float elements

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