Navigation and Card resizing

New Features

• 🃏Flex-box resizing of cards
• 🚦Navigation improvements to responsiveness
• 🕶Better styles for aside and definition list
• #️⃣Go to Hash function in setup
• 🕶Article and aside spacing

Breaking Changes

• 🔄Rename font css variables

--iooxa-font
--iooxa-font-headers