Updated edit_profile.html - small changes
Updated detail.html - changed style of button to btn
Updated orders.html - changed style of button to btn
Updated returns.html - changed style of button to btn
Changed button to btn
Updated log-in.html - changed height of fields and button to btn
Changed buttons to btn
Changed button to btn
Changed button to btn
Changed button to btn
Changed button to btn
Updated main.css - changed some font sizes / heights