Feat: Request to add CSS on Signup form

[BamaCharanChhandogi]

Increasing Access

p5.js version
v1.4.1

What is your operating system?
Windows OS

Default Behavior:

After adding CSS:

Feature enhancement details

Changes:

• Add margin from the bottom for good styling.
• add bold on the link

[BamaCharanChhandogi]

#2441

[perminder-17]

I made the required change. Here what it looks like now.
. I have done the pull request also.