CSS Accordion Generator
Build an expand/collapse accordion — header color, active color, border, and animation speed, with live click-to-toggle preview.
Style
100% browser-based — no data sent to any server
What is CSS Grid?▼
CSS Grid is a two-dimensional layout system for arranging content in rows and columns.
What is Flexbox?▼
Flexbox is a one-dimensional layout method for arranging items in rows or columns.
What are custom properties?▼
CSS variables that can be reused throughout a stylesheet and updated dynamically.