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HomeHomework Helpweb-developmentIntroduction to CSS

Introduction to CSS

CSS (Cascading Style Sheets) is a styling language used to control the layout and appearance of web pages written in HTML or XML, including aspects such as colors, fonts, and spacing

beginner
2 hours
Web Development
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Overview

CSS, or Cascading Style Sheets, is a fundamental technology for web development that allows developers to control the visual presentation of web pages. By separating content from design, CSS enables a more efficient workflow and enhances user experience. Understanding CSS is essential for anyone loo...

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Key Terms

Selector
A pattern used to select the elements you want to style.

Example: h1, .class-name, #id-name

Property
A specific style attribute that you can set in CSS.

Example: color, font-size, margin

Value
The setting you apply to a property.

Example: red, 16px, 10%

Box Model
A box that wraps around every HTML element, consisting of margins, borders, padding, and the actual content.

Example: The box model determines spacing and layout.

Media Query
A CSS technique used to apply styles based on device characteristics.

Example: @media (max-width: 600px) { ... }

Flexbox
A CSS layout model that allows for responsive design and alignment of elements.

Example: display: flex;

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Key Concepts

SelectorsPropertiesValuesBox Model