CSS Fixes and adjustments

[bloycey]

This is a small patch to adjust some of the styling, particularly on mobile. I haven't really changed the aesthetic very much - just fixed a few things that were simple.

• Changed content container so that it is centered on all viewports.
• Removed card layout for posts when on small devices and added a small margin.
• Gave blog tags a little more spacing and centered using flex
• Adjusted TOC component to suit new layout
• Softened the color on the search bar to be a bit less intense.
• Centered footer content on small devices

There is more that could be added/reviewed, for example:

• It's not usually advisable to use pure black (e.g. text and the footer);
• Maybe a custom google font could look nice?
• Potentially add a mobile dropdown menu

Let me know if there's anything that you'd like me to do. Happy to help.

[ulivz]

That's a very great work, Thanks!

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1. It's not usually advisable to use pure black (e.g. text and the footer);
   Yes, maybe we can refine the default palette. feel free to submit your ideas boldly, because I am only a visual animal, Whoopee!

2. Maybe a custom google font could look nice?
   Yes, I like medium and especially its custom font.

3. Potentially add a mobile dropdown menu
   Yes, we don't need to repeat sidebar again, the mobile dropdown menu would be better!

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And here are some beautiful websites I like:

https://ktquez.com/en/
https://vuepress-portfolio.netlify.com/

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Look forward to see your contributions. ❤️