15 Thumbnail Styles — Dark + Light
Layout archetypes, each carrying a Phosphor icon, in both themes
161Thumbnails
Every thumbnail surface — course, lesson, blog, YouTube — from one style family, so a row of them reads as a series.
Course Thumbnail — Dark + Light
1280×720 · 3 variants × 2 themes, each on a different background pattern, icon usage shown
Lesson Thumbnail — Dark + Light
1280×720 · inherits its course's pattern; icons mark lesson type
10 Blog Thumbnail Styles — Dark + Light
Rotating layouts, each with a category icon
YouTube Thumbnail — Dark + Light
1280×720 · chevron-grid pattern, icon-led CTA