CSS Pseudo Class Selector :target
Selects the element referred to by the URL fragment identifier
Definition and Notes.
1. CSS Pseudo Selector :target selects and styles elements that can be accessed using a link that ends with a URL fragment i.e a hash sign(#) followed by an achor-name ot ID.
2. The styles will be applied only when the page is accessed using such a URL fragment( internally or externally). Or else its ignored
3. For example, :target will style the elements which are the target of URL fragments