I have tried many recommendations to control the bookmark spacing in firefox 108.0.2. I prefer to have single spacing, which is much more convenient than the wider spacing which now exists. Although many "workarounds" exist, none work to change this problem in the latest version. Why is this problem so difficult to resolve? It worked before and I trusted that it would work again after updating from the last version where it did work. This change is very disappointing. Thanks George I looked through the treads below, but could not see where any rules block any changes from occurring.