
utilities
Flexbox Froggy
Learn CSS Flexbox through 24 interactive coding puzzles with frogs.
#flexbox#learning#interactive
Generate a harmonious modular type scale as CSS custom properties. Choose a base size, scale ratio, steps up and down, font family, weight, and line height. Live preview renders each size so you can evaluate the hierarchy at a glance.
Live Preview
Scale ratio
Font family
Font weight
16px is the web standard. Increase to 18px for body-heavy designs; decrease for dense UIs.
Perfect Fourth (1.333) is a safe default for most UIs. Golden Ratio creates dramatic contrast between sizes.
6 steps up covers most hierarchies (body to hero). Add more steps for large-scale landing pages.
Copy CSS outputs :root CSS custom properties — drop them straight into your design system.
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