Can you check your browser console and see if there are any JavaScript errors? I only looked at this site briefly but I think this will help if you have no idea what I am talking about - https://yoast.com/help/how-to-find-javascript-errors-with-your-browsers-console/.
Custom certificate (plugin)
Drag and drop elements: Problem with colour picker
གྲོས་བསྟུན་འདི་བསྡམས་ཡོདཔ་ལས་ ལན་གསལ་བརྐྱབ་མི་ཚུགས་