HTML <details> Tag
The Details tag defines the extra details that the user can open and close as needed.
<details> tag is frequently used to build a user-interactive widget that can be opened and closed. The widget is closed by default. When you open it, it expands and shows the material within.
<details> tag can include any type of material.
|open||open||The information should be available (open) to the user, according to this specification.|
|Element||Chrome||Firefox||Safari||Edge / IE||Opera|