Use space to group related elements
Be consistent
Ensure similar looking elements function similarly
Create a clear visual hierarchy
Remove unnecessary styles
Use colour purposefully
Ensure interface elements have a 3:1 contrast ratio
Ensure text has a 4.5:1 contrast ratio
Don’t rely on colour alone as an indicator
Use a single sans serif typeface
Use a typeface with taller lower case letters
Limit the use of uppercase
Use regular and bold font weights only
Avoid pure black text
Left align text
Use at least 1.5 line height for body text
