A CSS Selector is a combination of an element selector and a value which identifies the web element within a web page. They are string representations of HTML tags, attributes, Id and Class.

Can we use contains in CSS selector?

A custom built CSS selector for more advanced users can be built using the "contains" selector. The "contains" selector is useful in cases where we are looking for an element that "contains" some text (case sensitive).

What is CSS attribute selector?

The CSS attribute selector matches elements based on the presence or value of a given attribute.