Animate HTML Details & Summary Elements Using Pure CSS
Find out how to fully animate the HTML Details/Summary disclosure widget using only CSS.
Find out how to fully animate the HTML Details/Summary disclosure widget using only CSS, including the Summary marker arrow rotate, and height transition to open/close the element content.
You’ll learn how to inspect the Shadow DOM of native HTML elements, how the calc-size() function works, why you need transition-behavior property to animate content-visibility, how to connect multiple HTML Details elements, and more.
Chapters
- 00:00 About HTML Details & Summary element
- 01:26 Style HTML Details disclosure element using CSS
- 02:40 Inspect HTML Details Shadow DOM in DevTools
- 03:55 Utilize HTML Details pseudo-elements
- 05:10 Animate HTML Details open/close using calc-size()
- 07:00 Use transition-behavior: allow-discrete; to animate content-visibility
- 08:58 Browser support for calc-size() & transition-behavior: allow-discrete;
- 10:04 Animate HTML Summary Arrow marker
- 15:01 Connect multiple Details elements
- 15:59 Open Details disclosure widget by default
- 16:25 Browser support for HTML Details “name” attribute
