Programming is a way to “instruct the computer to perform various tasks”. Confusing? Let us understand the definition deeply. “Instruct the computer”: this basically means that you provide the computer a set of instructions that are written in a language that the computer can understand.
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. ... HTML provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists, links, quotes and other items
Cascading Style Sheets is a style sheet language used for describing the presentation of a document written in a markup language such as HTML. CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript.