Checklist for a LMS basic theme:

general

• favicon
• favicon for MFE
• color scheme

header block

• header logo
• promo banner text
• promo banner background
• header responsive

footer block

• footer logo
• footer social media links
• footer static page links

certificate

• certificate logo

mail templates

• change logo and logo height/weight [lms/templates/ace_common/edx_ace/common/base_body.html]
• change links color [lms/templates/ace_common/edx_ace/common/base_body.html]
• change background color for button [lms/templates/ace_common/edx_ace/common/return_to_course_cta.html]
• change background color for button [lms/templates/user_authn/edx_ace/passwordreset/email/body.html]

microsite

• add microsite variables [only for microsite]

Checklist for a CMS basic theme:

general

• favicon
• color scheme

header block

• header logo