Why doesn't the style of another element change on hover?

Question

css

Hello!
the code

Answer 1

The ~ selector selects all the following siblings that match the condition
The + selector selects only the sibling coming immediately after the element
BUT only siblings, selectors cannot go a level higher in CSSOM, these are the rules.
You have .itema parent a.

Answer 2

Can you describe what needs to be done in the end?

Answer 3

in this case, it’s better not to give a: hover , but to give and change both it and the child element according to the parent hover