Changed font and styling for mission and vision

[Diplo2by]

Description

Made vision and mission part more uniform with styling of the site. with better readability

Screenshots of relevant screens

Developer's checklist

• My PR follows the style guidelines of this project
• I have performed a self-check on my work

If changes are made in the code:

• I have followed the coding guidelines
• My changes in code generate no new warnings
• My changes are breaking another fix/feature of the project
• [] I have added test cases to show that my feature works
• I have added relevant screenshots in my PR

[PGautam27]

@Diplo2by +1 to your hacktoberfest. But from next time, I would ask you to open up an issue first. And then do a pull request.

[PGautam27]

but before merging it could you sync it. And let me know

[Diplo2by]

I assumed my changes fall under #15. So, I didn't raise another issue. But not mentioning it explicitly on my PR was my bad. Will be mindful of it henceforth.

[PGautam27]

Sync sync!!

[Diplo2by]

I have synced my fork.