Описание тега accordion
An accordion is a type of menu that allows for additional content to be shown below the heading upon mouse action. Only one heading's content can be open at a time. When the next heading is selected, the previous heading's content will close.
An accordion is a type of menu that allows for additional content to be shown below the heading upon mouse action. Only one heading's content can be open at a time. When the next heading is selected, the previous heading's content will close.
This is a good way to display a lot of content without overwhelming the user. A common use of this function is on an FAQ page.