Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/b2c05d49e41d7ee04e78665e5d8e350deb598b8b/resources/etc/Tutorial/tutorial_en You should set ROOT_URL correctly, otherwise the web may not work correctly.

новые иконки в OpenBoard

Claudio Valerio 43407ddd0c fixed url for label		13 years ago
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CSS	removed fix from Aleksei for big copying file because doesn't work with audio/video/flash element on mac	13 years ago
images	removed fix from Aleksei for big copying file because doesn't work with audio/video/flash element on mac	13 years ago
index.html	fixed url for label	13 years ago