
Explore CSS fundamentals, including selectors, properties, values, and the box model. See how CSS interacts with HTML to build accessible, visually appealing layouts, typography, backgrounds, and even animations.
Learn what CSS is and how it uses rules to style HTML with colors, fonts, spacing, layouts, and effects across devices.
Master css syntax by learning selectors, declaration blocks, and property-value pairs with proper semicolons and braces to write and understand any style rule for a website.
Learn how CSS properties and values shape color, background color, font size, margin, padding, border, width, height, and spacing using rgb, center, opacity, and var.
Master the three ways to add CSS: inline, internal, and external, and decide when to use each to organize styles across your pages.
Install and set up VS Code for HTML editing, add the HTML Preview extension, and customize settings and themes, including a dark theme, for a better coding experience.
Set up CodePen as your editor for HTML and CSS. Sign in or sign up, open your work, create a new pen, paste code, and start coding.
Explore the three basic CSS selectors—element, class, and ID—and learn how to style all elements of a type, reuse styles with classes, and target a unique element with IDs.
Explore how CSS specificity decides which style applies when multiple rules target the same element, showing how inline styles, IDs, classes, and element selectors determine priority.
Explore how CSS colors control text, backgrounds, borders, and shadows using keywords, hex, rgb(a), hsl, and gradients. Emphasize accessibility and contrast while leveraging currentColor and HTML color codes.
Explore the HTML family tree and learn how parent, child, siblings, ancestors, and descendants shape CSS selectors. See examples with body, section, article, and p to master hierarchy.
Explore the CSS box model and how width and height define element's content size, using units like pixels, percentages, vh, ems, max width, and min width to build responsive layouts.
Master the CSS box model by applying padding to add space inside elements and margin to separate them, using long and short value forms and auto centering.
Explore the CSS border and border-radius to frame content, control width, style, and color, apply borders on all sides with long or short syntax, and create rounded corners.
Learn to apply box-shadow to any element to add depth and style, using single or multiple shadows with offsets, blur, spread, color options, and inset for inner shadows.
Compare content box and border box in CSS, showing how padding and border affect total width, and explain why border box offers precise control for responsive layouts.
Explore the CSS display property and how divs and spans behave as block, inline, or inline-block elements, shaping the box model, padding, margins, and page layout.
Explore CSS background properties, including colors, images, and gradients—linear, radial, and conic—with color formats, alpha transparency, color stops, directions, and a fallback for accessibility.
Master the CSS background image property to place, size, repeat, and attach images behind content, creating responsive, visually engaging designs with multiple images.
Explore how CSS float moves elements to the left or right to wrap content, fix container height with clear and flow root, and compare float practices with flexbox and grid.
Explore how CSS overflow controls content that doesn't fit its box, using visible, hidden, scroll, and auto. Learn to clip, scroll, and create scrollable tables and confined layouts.
Learn how the CSS position property controls element placement, stacking, and layout with static, relative, absolute, fixed, and sticky values, using top, right, bottom, left, and z-index.
Master the z-index property to control the stacking order of positioned elements, understanding stacking contexts, and using a defined scale with real-world examples like overlays and modals.
Create a stylish CSS card from scratch: a 320px wide white container with rounded corners, a shadow, an image, and a top-right red badge.
Explore how CSS fonts shape web text by applying font-family and selectors to control typeface, size, spacing, and readability, with safe fallbacks and generic families.
Master the CSS font-size property by using relative units like m and rem to ensure readable, responsive typography across components.
Explore font weight, style, decoration, and variants in css properties, using 100–900, bold, italic, small caps, and underline. Learn about line height, letter spacing, word spacing, and text transform.
Learn to import and define custom fonts with font-face, assign a font-family, apply to headings and body with fallbacks, and use formats like woff2, woff, ttf.
Explore how Google Fonts provides open-source fonts for websites. Learn to embed via link or import, apply font family in css, and optimize performance with fallbacks and limited font weights.
Learn to control text alignment and wrapping with css, using left, right, center, and justify alignment and the white-space, overflow, and word-break properties to shape text flow.
Learn how to use the CSS group selector to apply the same styles to multiple elements or classes by comma-separated selectors, reducing code duplication and keeping styles clean.
Master the four link states: unvisited, visited, hover, and active by styling with color, text-decoration, and focus, while applying the love-hate rule to ensure accessible, interactive hyperlinks.
Use the universal selector, shown by an asterisk, to target all elements, apply global defaults like margins, paddings, and box-sizing, and compare its effects with styling only the body.
Master CSS fundamentals from selectors to the box model and typography. Learn how CSS works with HTML to build responsive, accessible designs using media queries and advanced selectors.
Welcome to Mastering CSS, a complete step-by-step course designed to take you from a beginner to a confident front-end developer who can style professional, responsive, and visually stunning websites.
CSS (Cascading Style Sheets) is the language of design on the web. While HTML gives a page structure, CSS brings that structure to life — adding colors, layouts, typography, animations, and effects that engage users and create memorable web experiences.
In this course, I, Sant Kumar, will guide you through every essential concept of CSS in a practical, voice-friendly, and easy-to-understand way. Together, we’ll cover everything from the basics of selectors and properties, all the way to advanced techniques like flexbox, grid, transitions, and responsive design.
By the end of this course, you will have a solid foundation in CSS and the ability to confidently style websites, create modern layouts, and apply real-world best practices used by professionals.
What You’ll Learn
Understand what CSS is and how it works with HTML
Use selectors, properties, and values effectively
Master the CSS Box Model, padding, margins, borders, and shadows
Work with fonts, text alignment, wrapping, and typography best practices
Apply colors with HEX, RGB, HSL, and gradients (linear, radial, conic)
Explore positioning: static, relative, absolute, fixed, and sticky
Learn the difference between em and rem for scalable designs
Use floats and clears (and understand their modern alternatives)
Master Flexbox and Grid for professional layouts
Add interactivity with pseudo-classes like :hover and :focus
Ensure accessibility and responsive design across devices
Work with advanced CSS selectors for precise styling
Best practices for writing clean, maintainable, and scalable CSS
Who This Course Is For
Beginners who want to learn CSS from scratch
Aspiring front-end developers and web designers
Students who already know HTML and want to style their pages
Anyone who wants to understand how to make websites responsive, beautiful, and professional
Why Take This Course?
Taught in clear, voice-friendly explanations with practical examples
Covers both fundamentals and advanced CSS techniques
Real-world demos and exercises that prepare you for actual projects
Accessible teaching style from Sant Kumar, with 10+ years of design and development experience
By the end, you’ll be ready to style professional websites confidently
Join Now
If you want to become confident in web design, understand how CSS truly works, and build websites that stand out, this course is for you.
Enroll today, and let’s start your journey into the world of CSS together!
Exercise Files for CSS Tutorial
What to Include
HTML Starter Files
Basic HTML structure with <div>, <p>, <h1>, <nav>, etc.
Empty <link> to stylesheet so students can attach their CSS.
Example: 01-basic-structure.html
CSS Practice Files
A clean file for each lesson.
Sometimes include partial CSS and ask students to complete it.
Completed Solutions
Provide a finished version for each exercise so learners can compare.
Demo Projects
A mini project at the end of sections: