fix(client): userpage ui

[Candinya]

What

Tweak UI, fix incorrect display issues in user's (public) page like https://nya.one/@Candinya

Why

Before

After

Please ignore the color and logo differences (they are included in the commit)

Additional info (optional)

If any changed page is designed to not have a width limit (or a different limit), please inform me and I'll restore that