flex page with social icons and js actions

What are you most proud of, and what would you do differently next time?

1)shwoing the X logo and using the twitter logo as backup. 2) using flex only without grid. next time i try only grid.

What challenges did you encounter, and how did you overcome them?

1. how to make css tooltip CSS tooltip
2. how to use a default image when the wanted image is 'no found' for any reason How to apply a default image URL to an image tag with JavaScript
3. how to allow a specific item to overcome overflow: hidden;? i used position: fixed;
4. how to change img/svg color? i used background-blend-mode: color-dodge;

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

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