A favicon is a little icon visible on the web browser tab, just before the page title. It is generally a logo with the smaller size.
You cannot add the size using CSS. The standards do not support adding Favicon size using CSS. Let’s add it using attributes,
<link rel="icon" type="image/png" href="https://tutorialspoint.com/favicon-16x16.png" sizes="16x16">
The result after adding Favicon above will be,
