I have the same issues for some time. I’ve tried on Chrome (no scrolling) but Safari & Firefox work. Any other site seems to be OK except kotlinlang,org
If that helps, I see the following in browser’s console:
Navigated to https://kotlinlang.org/docs/reference/keyword-reference.html
keyword-reference.html:1 The SSL certificate used to load resources from https://data.services.jetbrains.com will be distrusted in M70. Once distrusted, users will be prevented from loading these resources. See https://g.co/chrome/symantecpkicerts for more information.