Resolve "Admission-Page"

Pre-flight checklist

• I have passed the pre-commit hooks and the pipeline
• I have tested my code on both desktop and mobile (320px wide)
• If I have performed multiple migrations, I have squashed all of them into a single migration

Description

• mobile size for race car image and status div

• add top of admission and change color depend on user status

• update-admission-page

Closes #114