HTML (HyperText Markup Language) is the standard markup language for creating web pages. It describes the structure of a web page semantically and originally included cues for the appearance of the document.
CSS (Cascading Style Sheets) is a style sheet language used for describing the presentation of a document written in HTML. CSS describes how elements should be rendered on screen, on paper, in speech, or on other media.
This accordion is built using only HTML and CSS, with no JavaScript required. It uses the checkbox input hack combined with the :checked pseudo-class and adjacent sibling selectors to toggle content visibility.
The design is fully responsive and works seamlessly across all device sizes. The smooth transitions and hover effects enhance the user experience while maintaining a professional and minimal aesthetic.
No JavaScript required • Pure CSS solution