Naive question on Foundry's core

Quite a number of years ago, I noticed that Foundry appeared to be based on Bootstrap 4. Is it still the case? Or is it Bootstrap 5?

If it is based on Bootstrap, are the native Bootstrap classes supported?


The current version of Foundry uses Bootstrap 4. It is a one-off version of Bootstrap however. After implementing it and releasing Foundry they changed their class naming. Some classes for BS 4 may work, others will not. This will change in a future update.

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