The Instant View Editor uses a three-column layout, so you really want to use it on a desktop screen that's wide enough. Sorry for the inconvenience.

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Issue #2

Tabs "Задание", "Подсказки", "Решение 1", "Решение 2" should be issued in the tag <details>. The user should not see "Подсказки" and "Решение" until he opens the tab.
Accepted by admin
It seems only the Tips tabs has not been converted into <details> here, it is better to convert them all
Type of issue
IV page is missing essential content
Reported
Feb 19, 2019