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What is CSS (Cascading Style Sheet)


Cascading Style Sheets (CSS):

In the dynamic world of web development, HTML (Hypertext Markup Language) serves as the foundation, laying out the structure of a webpage. However, for a webpage to captivate its audience with visually appealing designs and layouts, it requires the artistic touch of CSS, or Cascading Style Sheets.

👉Defining CSS:

CSS is a style sheet language used to describe the presentation of a document written in HTML or XML. It enables web developers to control the visual aspects of a webpage, such as colors, fonts, spacing, and positioning, without altering the underlying structure defined by HTML. The term "Cascading" in CSS refers to the order of priority the styles are applied, allowing for flexibility and consistency.

👉Separation of Concerns:

One of the key principles of web development is the separation of concerns, and CSS plays a crucial role in achieving this. While HTML focuses on the structure and content of a webpage, CSS handles the aesthetics and layout. This clear distinction enhances the maintainability of code, making it easier for developers to update styles without affecting the structure or content.

👉Selectors and Declarations:

CSS operates on a set of rules that consist of selectors and declarations. Selectors target HTML elements, specifying which elements the styles should be applied to. Declarations, on the other hand, define the actual styles, ranging from simple attributes like color and font size to more complex layout properties.

p { color: #333; font-size: 16px; line-height: 1.5; }

In this example, the selector "p" targets all paragraph elements, and the declarations within the curly braces define the text color, font size, and line height.

👉Flexibility and Responsiveness:

CSS empowers developers to create responsive and flexible designs. Media queries, a feature of CSS, allow styles to adapt based on the characteristics of the device or screen size. This ensures that a webpage looks visually appealing and functions seamlessly across various devices, from desktop monitors to smartphones.

👉Evolution of CSS:

As web development advances, so does CSS. Newer versions of CSS introduce features like grid layout, variables, and animations, providing developers with even more tools to craft immersive and interactive user experiences.

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