Change fonts size and colour in settings page

[upulw2020]

Settings fonts need to be swapped (see this issue for screenshot) and Teal employed in the following way:
Level 1 - No change
Level 2 - Change colour to teal, swap size with level 3
Level 3 - Swap size with level 2

[upulw2020]

Visual issue only. Does not affect functionality. Setting low priority.