As you all know that now a days HTML and CSS is more important and necessary language to start the basic of webpage development. HTML (Hypertext Markup Language) and CSS (Cascading Style Sheets) are two of the core technologies for building Web pages. HTML provides the structure of the page and Its a markup language used by the browser to manipulate text, images, and other content, in order to display it in the required format. CSS describes how HTML elements are to be displayed on screen, paper, or in other media. CSS saves a lot of work and helps to design the website or webpages. JavaScript is a lightweight, cross-platform, and scripting language. It is well-known for the development of web pages and also for form validation.