Hi There,
Thanks for writing in!
I can see the icons are working fine.
Regarding the accordion, I see a lot of JS error in the site. This may be due to a plugins conflict or custom JS code.
Please follow this three points for a possible solution.
Test for a plugin conflict. You can do this by deactivating all third party plugins, and seeing if the problem remains. If it’s fixed, you’ll know a plugin caused the problem, and you can narrow down which one by reactivating them one at a time.
Remove custom CSS, Javascript and templates.
Ensure everything is up to date according to our version compatibility list at https://theme.co/apex/forum/t/troubleshooting-version-compatibility/195. Please follow the best practices when updating your theme and plugins. See https://theme.co/apex/forum/t/setup-updating-your-themes-and-plugins/62 for more details.
Hope this helps!