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CSS - The Complete Guide (incl. Flexbox, Grid & Sass) (Udemy.com)

Learn CSS for the first time or brush up your CSS skills and dive in even deeper. EVERY web developer has to know CSS.

4.6
20,256 reviews

Created by: Academind by Maximilian Schwarzmüller

Last updated January 2026

Our take

Based on the ratings of 20,256 students, a sample of their written reviews and the syllabus, as the course stood in January 2026. No course pays to be reviewed.

Maximilian Schwarzmüller's CSS course is a 23 hour, 297 lecture walk through everything from selectors and the box model to Flexbox, Grid, animations and a short Sass section. It is built for people who already know a little HTML and want to stop guessing at CSS. The pitch is three entry points, basics, advanced and expert, but in practice the reviews suggest it works best as one long run for beginners. A fictional web hosting site is the running project, with 11 assignments and 4 quizzes along the way.

Students mostly praise the teaching. Reviewers call Max's explanations clear and well backed by theory, and one says the project and exercises are what made the course stick. The rating breakdown backs that up: about 19,000 of the 20,000 ratings are four or five stars. The complaints are consistent though. Even recent four star reviews say parts feel dated, and one two star review notes many lectures look like 2018 recordings despite the January 2026 update. A couple of low ratings also find the explanations roundabout, starting from examples before giving a definition, and the pace slow for anyone past the basics.

Next to the full stack bootcamps it sits beside, this is the narrower choice: CSS only, in more depth than a bootcamp gives it. Build Responsive Real-World Websites with HTML and CSS covers similar ground, so it's the natural comparison if the dated look bothers you. For a beginner who wants to understand why CSS behaves the way it does, rather than copy snippets, this is a solid paid pick. Intermediate developers should skip to the Grid and Sass sections or look elsewhere.

Best forHTML beginners who want to understand why CSS behaves the way it does, with a project to build along the way.
Skip it ifYou already use Flexbox and Grid daily and want modern tooling, architecture or performance topics.

Pros

  • Max's explanations are clear and theory backed, students say, with examples to consolidate each concept.
  • A full hosting site project plus 11 assignments and 4 quizzes give real practice, not just watching.
  • Flexbox and Grid each get a dedicated section of over 100 minutes, not a single rushed lecture.
  • Updated January 2026, with a certificate and 21 caption tracks.

Cons

  • Recent four star reviews say parts look dated, and one two star review says many lectures appear to be 2018 recordings.
  • Explanations start from examples before definitions, which one low rating found confusing as a beginner.
  • Slow and repetitive for anyone past the basics; newer CSS topics and tooling are missing.
The project and the exercises made the course for me.
Art Hogan, a student

Listed as all levels, but reviews say it suits beginners with basic HTML; experienced devs will find it slow.

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What you will learn

  • Learn why CSS is amazing, not something to be afraid of!
  • Use basic as well as advanced CSS features
  • Flexbox, grid, animations, transitions, fonts, media queries and much more - it's all included!
  • Understand the concepts and theory behind CSS and certain CSS features
  • Build beautiful websites which don't just contain great content but also look good

Course content

19 sections · 297 lectures · 23 hours of video 4 quizzes, 11 assignments, 31 articles

  1. 1Getting Started 7 free previews11 lectures · 17 min
  2. 2Diving Into the Basics of CSS13 lectures · 2 quizzes · 1 hour
  3. 3Diving Deeper into CSS26 lectures · 1 quiz · 1.4 hours
  4. 4More on Selectors & CSS Features8 lectures · 1 quiz · 24 min
  5. 5Practicing the Basics21 lectures · 1.5 hours
  6. 6Positioning Elements with CSS15 lectures · 2 quizzes · 1.2 hours
  7. 7Understanding Background Images & Images17 lectures · 1.2 hours
  8. 8Sizes & Units20 lectures · 1.8 hours
  9. 9Working with JavaScript & CSS11 lectures · 1 quiz · 50 min
  10. 10Making our Website Responsive19 lectures · 1 quiz · 2 hours

Who it is for

The instructor says it suits

  • Anyone who wants to learn CSS for the first time or wants to sharpen his or her CSS skills
  • Anyone who's excited to learn about the latest CSS features like Flexbox, CSS Grid or CSS Variables
  • Anyone who knows CSS but wants to dive deeper

What you need before you start

  • You should know the very basics about HTML and web development in general
  • NO advanced HTML or web development knowledge is required though
  • NO CSS knowledge is required at all! You'll learn it all in this course!

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Course Description

CSS - short for Cascading Style Sheets - is a "programming language" you use to turn your raw HTML pages into real beautiful websites.
This course covers it all - we start at the very basics (What is CSS? How does it work? How do you use it)? and gradually dive in deeper and deeper. And we do this by showing both practical examples as well as the theory behind it.
Getting started with CSS might look easy but there actually is a lot of depth to CSS - hence this course provides different "Tracks" or "Entry points" to exactly meet your demands and reflect you current knowledge level:
  • The Basics Track: Start from scratch, learn CSS from the ground up. You start with lecture 1 and simply follow through to the end.
  • The Advanced Track: You already know the CSS basics, you know what selectors are and how it works but you want to dive in deeper and learn some advanced features and usages.
  • The Expert Track: You got the advanced knowledge, too, but you want to dive into things like Flexbox, CSS Grid, CSS Variables or Sass. This track is for you.
Of course this course offers the theory and practical examples - we'll build an entire real course project throughout the course - but there also are multiple assignments, quizzes and challenges for you to practice individual concepts taught throughout the course.
Talking about the course project - we'll build the frontend (no backend) of a fictional web hosting company. We'll have a starting screen which has different sections, we got a responsive design with an animated side-drawer, we got modals and forms and in general we got a lot of CSS animations, font styles and more!
Here's what's inside the course in detail - this is all also applied to the mentioned course project:
  • The basics about selectors, combinators and how you set up styling rules in general
  • Properties, values and decalarations
  • How specifity and inheritance work and why it's called "Cascading" Style Sheets
  • Important theoretical concepts like the "Box Model"
  • How the default position of elements can be changed
  • Styling backgrounds (e.g. gradients) and images
  • Which units and dimensions you typically use in CSS (px, rem, % and more)
  • How JavaScript and CSS interact
  • Responsive design and what "Mobile First" means
  • Styling forms and form inputs
  • Working with text, fonts and text styles
  • Flexbox! How it works and how to use it
  • Using the CSS Grid and how it differs from Flexbox
  • Transforming and animating HTML elements with the help of CSS
  • Writing future-proof CSS with features like CSS variables or best-practice class names
  • Using Sass and what it actually is all about
Is this course for you?
It's for you if ...
  • you started with learning web development and you want to build more beautiful websites
  • you already know CSS but want to dive deeper
  • you're using CSS in a trial-and-error manner and want to change this (you should!)
You might come back later if ...
  • you're an absolute CSS pro and you know the CSS working group drafts by heart
  • you're a backend-only developer (Node, PHP, NO HTML or frontend JavaScript)
  • you're a total newcomer to web development and you don't know the basics about HTML
If that sounds good to you, we'd be more than happy to welcome you in this course!Who this course is for:
  • Anyone who wants to learn CSS for the first time or wants to sharpen his or her CSS skills
  • Anyone who's excited to learn about the latest CSS features like Flexbox, CSS Grid or CSS Variables
  • Anyone who knows CSS but wants to dive deeper
Read More All Levels All Levels product length iconTime: 22.8h

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Instructor Details

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Bundling the courses and know how of successful instructors, Academind strives to deliver high quality online education.
Online Education, Real-Life Success - that's what Academind stands for. Learn topics like web development, data analyses and more in a fun and engaging way.
Currently, you can find courses published by Maximilian Schwarzmuller and Manuel Lorenz, more instructors to come!
Keep learning!

Experience as (Web) Developer

Starting out at the age of 13 I never stopped learning new programming skills and languages. Early I started creating websites for friends and just for fun as well. Besides web development I also explored Python and other non-web-only languages. This passion has since lasted and lead to my decision of working as a freelance web developer and consultant. The success and fun I have in this job is immense and really keeps that passion burningly alive.
Starting web development on the backend (PHP with Laravel, NodeJS, Python) I also became more and more of a frontend developer using modern frameworks like React, Angular or VueJS 2 in a lot of projects. I love both worlds nowadays!
As a self-taught developer I had the chance to broaden my horizon by studying Business Administration where I hold a Master's degree. That enabled me to work in a major strategy consultancy as well as a bank. While learning, that I enjoy development more than these fields, the time in this sector greatly improved my overall exp

Read More

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Reviews

4.6

20,256 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

Write a review

By King Zeus Biong on 11/14/2020

its fun to learn the basic stuff even you know how to use it.

By Daniel Vilar on 11/14/2020

Thorough, but the instructors beat around the bush way too much. Half of the time spent on the videos feels like padding.

By Jason Hogan on 11/7/2020

Thank you gentlemen for your work. This is a very well organized course and I really appreciate your content.

By Shayne williams on 11/7/2020

I have his react course, he absolutely knows what he's talking about, and that's why I had no hesitation buying this course too. Also this is exactly what I needed, it's css and ONLY css. It's not an html + css guide, or an html css javascript web dev guide, it's a very specific course which covers the exact fundamentals that you need in depth.

By Erik Brown on 11/7/2020

This course helped me learn how to use CSS! The title suggests that it would, but still.
I'm a MERN stack developer that felt a need to improve my familiarity with CSS so that I could increase my efficiency in app production. I was very happy with how much I was taught about styling, positioning, text & fonts, flexbox, grid, etc. I didn't think that I'd care about the Sass, but now I'm curious to integrate that with a React project.
Bottom line, this course is going to be a great CSS reference as I continue on with my progression as a developer.
It also helped me review some points regarding html and vanilla JS.
Thanks Academind!

By Nicols Pecorari on 11/7/2020

Muy buen curso, con un proyecto en el que aplica un poco de todo lo que ensea. Me gusta que ponga las fuentes MDN para todo. El ingls es muy claro porque lo que si an no sos muy bueno en ingls, creo que lo vas a poder entender igual.
I suggest adding simpler projects at the end of the course. You recoment us to just go out and practice, but maybe it could be a little overwelming to go out there and find what to do. Maybe some really small projects to practice every thing a little more would be really helpful. Buy, overall, its a great course.

By Mudiaga Moody Uwojeya on 11/7/2020

Now, this is the kind of CSS course I was looking for. Detailed discussion of concepts and then practical application. I really value those insights about viewport, how positioning elements affect size and the behaviour to expect, and so on. I am more confident using css now. I am inclined to check out academind js course.

By Sven Huff on 11/1/2020

Didaktisch gut aufgebaut. Gut erklrt. Sehr guter berblick ber die CSS Welt. :)

By Arthur Webb on 11/1/2020

This course is excellent and I really enjoyed it. I learned a lot about the main subject of the course but other things along the way too.
(I had one slight disappointment in that there was no mention of styling tables, which I had been hoping to see).

By Enrico Cortinovis on 11/1/2020

I really loved this course, Max & Manuel are truly amazing teachers and kept this course really fun and interesting. I took half a star off because unfortunately they don't answer in the Q&A section anymore. Still 100% worth it, and with a language like CSS it's easy to find answers online already.

By Etienne Beauchemin-Pepin on 10/21/2020

I was starting from (almost) nothing in terms of CSS knowledge and I now feel like have a strong basis. All that is left is for me to practice in an actual project!
This course makes most concepts very clear. One module that I would say wasn't as clear as the rest was flex box. Still it was pretty good.

By Yulia Lantzberg on 10/18/2020

Great course as always

Showing 12 of 361 reviews

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Overall Score : 92 / 100

CSS - The Complete Guide (incl. Flexbox, Grid & Sass)
Visit course on Udemy Write a review
  • Video Duration: icon 22.8h
  • Price: $149.99
  • Provider: icon Udemy
  • Updated: icon January 2026
  • Level: All Levels All Levels
  • Language: icon English
  • Certificate: icon Yes
  • Lectures:297 in 19 sections
  • Practice:4 quizzes
  • Students:116,000
  • Subtitles:21 languages
  • Udemy badge:Bestseller
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