Fonts moved to a stylesheet + added css loader and style loader

[Jialecl]

Checklist (Check off all the items before submitting)

• [x] Build process is done without errors. All tests pass in the /lib directory.
• [x] Self-reviewed the code before submitting.
• [x] Meets accessibility standards.
• [x] Added/updated documentation to /website as needed.
• [x] Added/updated tests as needed.

Purpose Font imports changed to avoid scenarios in which they are not correctly loaded.

Description Font imports were added to a stylesheet. css-loader and style-loader added to load correctly the style sheet.

Closes #1948