Change UI to Utilize Tailwind

[Phi1lS]

User story: As a user, I would like a clean and simple UI

• persona: user who would like an easy-to-use and modern UI
• feature: user views a page utilizing modern UI elements
• business value: current website is an eyesore and a half

Task List

• [x] Update index.html to utilize Tailwind
• [x] Update login.html to utilize Tailwind
• [x] Update signup.html to utilize Tailwind
• [x] Update account_page.html to utilize Tailwind
• [x] Update settings.html to utilize Tailwind
• [x] Update purchases.html to utilize Tailwind
• [x] Update create_post.html to utilize Tailwind
• [x] Update checkout.html to utilize Tailwind
• [x] Update listing.html to utilize Tailwind (after issue #3 is complete)
• [x] Update all HTML files accordingly
• [x] Update all CSS files accordingly

Acceptance Criteria

1. works on all modern web browsers

Acceptance Tests

1. UI should be simple yet intuitive
2. Navigation nor functionality of the website should not be hindered in any way