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CSS & CSS3

CSS is the foundation of web styling, while CSS3 is its powerful evolution—bringing animations, responsiveness, and modern design to life. Mastering both opens doors to creative and high-demand careers in web development and UI/UX design.

What is CSS?

CSS (Cascading Style Sheets) is a stylesheet language used to define the visual presentation of HTML documents. It controls layout, colors, fonts, spacing, and more—separating content from design.

Purpose: Style web pages consistently across devices and browsers.

Core Features:

  • Selectors and properties (e.g., color, margin, font-size)
  • Box model (margin, border, padding, content)
  • Positioning and layout (float, flexbox, grid)

What is CSS3?

CSS3 is the third major version of CSS, introducing modular enhancements and advanced styling capabilities.

  • Animations and transitions: Smooth effects without JavaScript
  • Media queries: Responsive design for different screen sizes
  • Flexbox and Grid: Powerful layout systems
  • Rounded corners, shadows, gradients: Modern visual effects
  • Web fonts and custom typography

Benefits of CSS & CSS3

  • Separation of concerns: Keeps HTML clean and focused on structure
  • Efficiency: One stylesheet can style multiple pages
  • Responsiveness: CSS3 enables mobile-friendly designs
  • Performance: Faster page loads with optimized styling
  • Creativity: Enables visually stunning, interactive websites

Career Opportunities

Mastering CSS and CSS3 is essential for roles such as:

  • Front-End Developer : Builds user interfaces using HTML, CSS, and JavaScript
  • UI/UX Designer : Designs user experiences and interfaces with CSS3 animations and layouts
  • Web Designer : Creates visually appealing websites using CSS styling
  • WordPress Developer : Customizes themes and layouts using CSS
  • Mobile Web Developer :Crafts responsive designs for mobile platforms

Real-World Uses

  • Website styling: From blogs to e-commerce platforms
  • Responsive design: Ensures usability across phones, tablets, desktops
  • Interactive elements: Hover effects, transitions, animations
  • Brand identity: Typography, color schemes, layout consistency
  • Web apps: Styling dashboards, forms, and user interfaces

Price NRP. 8K+

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Available
  • Category Web Design
  • Language English, Nepali
  • Video Available
  • Duration 15 Hours
  • Includes Theory+Practical

Course Highlights

15 Hours

Beginners Level

Learning CSS and CSS3 at a beginner level is the gateway to transforming plain HTML into visually engaging, responsive websites. CSS teaches you how to style text, arrange elements, and control layout—giving life to your content with colors, fonts, spacing, and structure. As you progress into CSS3, you unlock modern design tools like animations, transitions, media queries, and flexible layouts using Flexbox and Grid. These skills empower you to build websites that not only look beautiful but also adapt seamlessly across devices. Whether you're aiming to become a front-end developer, UI/UX designer, or simply want to style your own web projects, mastering CSS and CSS3 lays the foundation for creative and professional web design.
Course Syllabus:

CSS & CSS3 Beginners Level's Syllabus

BY: ELITE InfoTech
2 Hours Introduction to CSS
Create a personal bio page with styled headings and paragraphs.
BY: ELITE InfoTech
2 Hours Box Model & Layout Basics
Build a card layout with spacing and borders.
BY: ELITE InfoTech
2 Hours Advanced Selectors & Styling
Style a navigation menu with hover effects.
BY: ELITE InfoTech
2 Hours CSS3 Transitions & Animations
Animate a button or image on hover.
BY: ELITE InfoTech
2 Hours Responsive Design with Media Queries
Make your bio page responsive across devices.
BY: ELITE InfoTech
2 Hours Flexbox & Grid Layouts
Create a responsive gallery or pricing table.
BY: ELITE InfoTech
3 Hours Final Project + Review
Publish your project on GitHub or CodePen. Do Revision as well.
Web Design

Course At A Glance

CSS was first proposed in 1994 to separate content from presentation, and CSS3—launched in 1999—ushered in modular, modern styling for responsive, animated, and visually rich web design. Each version built on the last, evolving through W3C specifications.

History of CSS

  • 1994: Håkon Wium Lie proposed CSS to solve the problem of HTML controlling both structure and presentation.
  • 1996 – CSS1: The first official specification by W3C. It introduced basic styling: fonts, colors, margins, and positioning.
  • 1998 – CSS2: Added support for media types, absolute/relative positioning, z-index, and table layouts.
  • 2011 – CSS2.1: A refined version correcting errors and ambiguities from CSS2.
  • 1999 onward – CSS3: Introduced as a modular specification, allowing independent development of features like animations, transitions, and responsive design.

CSS3 Build and Modules

Unlike earlier versions, CSS3 is modular, meaning it’s split into separate specifications that evolve independently:

  • Selectors Level 3 : Advanced element targeting (:nth-child, etc.)
  • Box Model : Margin, padding, border refinements
  • Backgrounds & Borders : Rounded corners, multiple backgrounds
  • Text Effects : Shadows, overflow handling
  • 2D/3D Transforms : Rotation, scaling, skewing
  • Animations & Transitions : Smooth visual effects without JavaScript
  • Media Queries : Responsive design for different screen sizes
  • Flexbox & Grid : Powerful layout control

Each module has its own versioning and update cycle, managed by the W3C CSS Working Group.

Beyond CSS3

  • CSS4 is not a formal version but refers to ongoing enhancements across modules (e.g., Selectors Level 4, Color Level 4).
  • The future of CSS includes container queries, subgrid, and scroll-linked animations, pushing boundaries of responsive and interactive design