Clean up content to be consistent and follow gov standards

[airliah]

Describe the task
Review and clean up content based on gov guidelines and BC parks style guide etc (for capitalizations and ensuring consistent terms)

Acceptance Criteria

• Review and list out changes needed
• Update mockups
• ...

Additional context
Review guidelines here:

• https://intranet.gov.bc.ca/env/bc-parks/stb/information-services/web-writing-guide/style-guide#wording
• https://intranet.gov.bc.ca/env/bc-parks/stb/information-services/web-writing-guide
• Chat with Samual as needed with questions, but we'll wait on getting a formal review from him until AFTER we do our due diligence and key updates in this ticket