Free Styles BLOK Dark 2.3.7

Changelog:
Minor bugfixes, updated for XF 2.3.7

Note: This release cannot be used on XenForo 2.2, it is exclusively for XenForo 2.3 only.
Note: This update does not require a UI.X add-on update to function properly.

Changelog:
Minor bug fixes with some spacing and sizing, changed sticky sidebar implementation method

Note: This release cannot be used on XenForo 2.2, it is exclusively for XenForo 2.3 only.
Note: This update does not require a UI.X add-on update to function properly.