After two weeks of daily tasks with AI feedback, I hit CLB 9 on my second sitting.
celprep · Design System
← Back to siteThe visual language behind the marketing site. Foundations (tokens, type, buttons) live in coursera.css; components live in mentor.css. Both load through MentorLayout.
Colour tokens
CSS custom properties from coursera.css :root.
--blue
Primary
#0056D2
--blue-700
Primary hover
#00419E
--blue-100
Primary tint
#DCE8FB
--blue-50
Primary wash
#EBF1FC
--ink
Headings
#1F1F1F
--text
Body
#2D2D2D
--gray
Muted
#5B6871
--gray-soft
Subtle
#8C969D
--line
Borders
#E0E0E0
--bg-alt
Alt surface
#F7F9FB
--green
Success / score
#1F8A4C
--amber
Highlight
#B26A00
Typography
Source Sans 3 · weights 400 / 600 / 700 / 800 / 900.
Reach a 9+ CELPIP score
Section heading · 38 / 700
Card title · 19 / 700
Lead paragraph · 17 / 400 — used for section subtitles and supporting copy in a muted grey.
Body · 16 / 400 — the default running text size for the system.
Small / fine print · 13 / 400
Eyebrow · 12 / 800 uppercaseButtons
.btn with --primary / --ghost, plus the CTA sizes used on the page.
End-CTA pill
Badges & pills
MOST POPULAR 29% OFF CLB 9 Speaking · Task 4 Verified 7-day money-back
Components
The reusable blocks from mentor.css. Live styles — what renders here is what ships.
AI score card
Speaking · Task 4 View feedback
9/12
Coherence9
Vocabulary8
Fulfillment9
Speaking-task chip
Speaking · Task 4
How-it-works card
9
03
Get instant AI scoring
Our AI scores you in seconds on the same criteria CELPIP uses.
Solution card
Pricing plan
Review card
OK CLB 9
Omar K. Verified
★★★★★
FAQ item
How fast can I raise my CLB level?
Most people who practice a few tasks a day see a 1-2 CLB level jump within a few weeks.
Trust logo chip
University of Toronto