Products: Add Styles to Products Display

[PatrickFrankAIU]

• [x] Add a margin of 10px to the ".productCard" style class
• [x] Add a border of 1px to the ".productCard" style class
• [x] Add a border radius of 5px to the ".productCard" style class
• [x] Add a padding of 20px to the ".productCard" style class

These minor changes to the products display may improve its overall appearance. After making these changes, you can explore further improvements.

[PatrickFrankAIU]

Great job!