[Solved]Sites aren't loading correctly

[Dotmazy]

Dotmazy last edited by leocg

When i open like youtube, scratch or other sites, the site look like that (random elements are move anormaly):
and youtube have a long load and look like that:

[Dotmazy]

Dotmazy last edited by

I have found the problem but i don't no how to fix it:
All the default values like h1 text size are not defined.
Look:

the code:

[Dotmazy]

Dotmazy last edited by

I have found the probleme is an extensions.