sass and css helpers for html projects

1. Margin Helpers (ex .mt-20)
2. Padding Helpers (ex .pt-20)
3. Width Helpers - px and % (ex .wp-100)
4. Font Helpers - size & weight (ex .fs-16)
5. Align Helpers (ex .text-center)
6. Flex Helpers

Use by class ex. .mt-20 as margin-top: 20px;