Design System updates

[ginny-d]

This mega-issue groups various issues related to the recent updates to the Explorer design system. This is to achieve standardization of the different components that are built in the Explorer, and make implementation more efficient in the future.

Header components:

• [ ] https://github.com/hirosystems/explorer/issues/1478
• [ ] https://github.com/hirosystems/explorer/issues/1479
• [ ] https://github.com/hirosystems/explorer/issues/1495
• [ ] https://github.com/hirosystems/explorer/issues/1541

Footer components:

• [ ] https://github.com/hirosystems/explorer/issues/1480
• [ ] https://github.com/hirosystems/explorer/issues/1445

Stats component

• [ ] https://github.com/hirosystems/explorer/issues/1481

Homepage components

• [ ] https://github.com/hirosystems/explorer/issues/1482

General components updates

• [ ] https://github.com/hirosystems/explorer/issues/1496
• [ ] https://github.com/hirosystems/explorer/issues/1484
• [ ] https://github.com/hirosystems/explorer/issues/1485
• [ ] https://github.com/hirosystems/explorer/issues/1486
• [ ] https://github.com/hirosystems/explorer/issues/1487
• [ ] https://github.com/hirosystems/explorer/issues/1488
• [ ] https://github.com/hirosystems/explorer/issues/1489
• [ ] https://github.com/hirosystems/explorer/issues/1490
• [ ] https://github.com/hirosystems/explorer/issues/1491
• [ ] https://github.com/hirosystems/explorer/issues/1492
• [ ] https://github.com/hirosystems/explorer/issues/1502

ID Pages components

• [ ] https://github.com/hirosystems/explorer/issues/1500
• [ ] https://github.com/hirosystems/explorer/issues/1503