The HTML <summary> tag specifies a summary/caption that can be used in conjunction with the HTML5 <details> tag. This summary/caption can be clicked on to expand/collapse the details as required.
Adding CSS to these tags is recommended to show that the summary/caption can be clicked on.
<p>CSSPortal is a site dedicated to helping you with CSS.</p>
HTMLPortal is a site dedicated to helping you with HTML.