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What specific areas of your project would you like help with?

Please Please Please someone review my code and help me in re-structuring it.

1. I had, at many places, used "overflow: visible;" just to make the share-popup be visible outside my main container. Please advice some improvement as I know that this is not the best practice.
2. I don't know somehow my main image (the .card-img) is misbehaving. In one of the previous challenge i had already implemented same thing but this time I was unable to correct it. The issue is that the height and width of the card-img div is not getting applied in reference to the container div. This makes me forced to manipulate the values just so that I can get the site same as design.
3. Any other suggestions that can help me understand the best practices are also welcomed.

I would really really appreciate anyone who can help me improve these things. As a beginner I would appreciate any kind of review. Please try to be specific with which part the improvement is possible.

Thank you.