Cascading Style Sheets, commonly referred to as CSS, is a style sheet language used to describe the presentation and styling of documents written in HTML or other markup languages. It enables web developers to separate the content of a website (written in HTML or a similar markup language) from its visual design elements. By using CSS, developers can control the layout, colors, fonts, and overall appearance of web pages, ensuring that the content is displayed in an aesthetically pleasing and organized manner across different web browsers and devices[1][2][3][4][5].
CSS works by associating style rules with HTML elements. These rules dictate how the content should be displayed and can include specifications for layout, spacing, fonts, colors, and responsiveness to different screen sizes. The style rules are defined within a set of instructions known as declarations, which are grouped into blocks. These blocks are linked to HTML elements through selectors, which target the elements that the styles should apply to[1][3][4].
One of the key features of CSS is its cascading nature, which determines how to resolve conflicts when multiple rules apply to the same element. The cascade applies a series of rules to determine which style declarations take precedence based on s...
