Discover the latest versions of HTML and CSS, including HTML5 tags, form elements, attributes, input types, CSS styling, and more

Overview & Updates
Get an overview of HTML5 and CSS3, and learn which HTML elements have been updated in HTML5.
HTML5 Elements
Learn all of the new HTML5 elements, including the section, article, header, footer, and time elements, and also several others that will help make your markup more semantic.
HTML5 Forms
Learn all of the new HTML5 form input types, elements, and attributes.
CSS3 Styles
Learn modern CSS styling techniques, including border radius, box shadow, text shadow, box sizing, multiple backgrounds, and gradients.
Fonts & Interactions
Learn how to use web fonts with @font-face, create smooth transitions and manipulated elements in CSS with the transition and transform properties, and write CSS according to the principles of progressive enhancement.