A front-end developer is a type of software developer who specializes in creating and designing the user interface (UI) and user experience (UX) of websites and web applications. The primary responsibility of a front-end developer is to ensure that the visual and interactive aspects of a website or application are user-friendly, aesthetically pleasing, and functionally efficient.
HTML stands for HyperText Markup Language. It is a markup language used to create web pages and applications that can be displayed on the internet. HTML is a straightforward computer coding language that was developed in the 90s. It is used to design web pages using a markup language. HTML is the combination of Hypertext and Markup language. Hypertext defines the link between web pages.
HTML tags are used to define HTML elements. An HTML element usually consists of a start tag and an end tag, with the content inserted in between. HTML tags are used to create HTML documents and render their content on web browsers. HTML determines the structure of web pages. This structure alone is not enough to make a web page look good and interactive.
Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in HTML or XML (including XML dialects such as SVG, MathML or XHTML). CSS describes how elements should be rendered on screen, on paper, in speech, or on other media.
CSS is a style sheet or presentational language that is used to layout, format, and style documents that are written in HTML to make them look beautiful. CSS is generally used with HTML to change the style of web pages and user interfaces. Basically CSS gives the outer cover on any HTML elements. If you consider HTML as a skeleton of the web-page then the CSS will be the skin of the skeleton. The Internet media type (MIME type) of CSS is text/CSS.