Learn how to use the HTML < details > tag to create collapsible content sections with examples and browser support. The < details > HTML element creates a disclosure widget in which information is visible only when the widget is toggled into an open state. A summary or label must be provided using the element. Learn the meaning, pronunciation and usage of the word detail as a noun in English. Find out how to use detail in different contexts, such as facts, features, pictures, soldiers and more. Learn the meaning, pronunciation, and usage of the word 'detail' in different contexts. Find synonyms, examples, idioms, and related words for 'detail' in British and American English.