unexplainable vertical space between some nested items

Hi, i have vertical spaces between some of my nested items and i can’t understand why. (between some titles and somtimes also at the first line in the item. I’m using the html editor and the very last version of the plugin. I’ve also made a WordPress Update but the problem remains the same. Do you have an idea of what could be the origin of the problem ?
Thank you in advance.

Xavier.

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Screenshot 3 with the code

• This topic was modified 5 years, 10 months ago by moovi1950.