CSS courses can help you learn styling web pages, creating layouts, and implementing responsive design. You can build skills in using selectors, understanding the box model, and applying animations and transitions. Many courses introduce tools like Flexbox and Grid for layout management, as well as preprocessors like SASS or LESS to streamline your workflow. You'll also explore best practices for accessibility and performance optimization, ensuring your designs look great and function well across different devices.

Johns Hopkins University
Skills you'll gain: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design and Development, Web Applications, Browser Compatibility, User Experience Design, Requirements Analysis, Client Services, Javascript
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Web Development, Database Design, Relational Databases, Web Development Tools, Databases, Full-Stack Web Development, Application Deployment, HTML and CSS, Cloud Deployment, Back-End Web Development, Application Development, Front-End Web Development, JavaScript Frameworks, Application Servers, Web Servers, Scripting, Javascript, Network Protocols, Cloud Computing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: User Interface (UI) Design, Color Theory, Typography, Web Design, UI Components, Usability, HTML and CSS, Design Elements And Principles, Graphic and Visual Design, Layout Design
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Node.JS, Restful API, React Redux, Database Design, React.js, Ajax, Database Application, Server Side, Databases, Full-Stack Web Development, Back-End Web Development, NoSQL, Javascript, JavaScript Frameworks, Performance Tuning, Front-End Web Development, API Design, Data Structures, MongoDB, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Computing, Cloud Infrastructure, Cloud Services, JavaScript Frameworks, Cloud Deployment, DevOps, Full-Stack Web Development, OpenShift, Version Control, CI/CD, Cloud-Native Computing, Web Applications, Microservices, Containerization, Web Development, Serverless Computing, Cloud Applications, Django (Web Framework), HTML and CSS, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Django (Web Framework), Web Development, Web Servers, Web Applications, Data Modeling, Back-End Web Development, MySQL, Application Security, Database Development, Model View Controller, Object-Relational Mapping, Application Frameworks, Database Management, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Front-End Web Development, Web Design and Development, Web Development, Web Development Tools, Web Applications, Web Content, Integrated Development Environments
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Web Design, Event-Driven Programming, Web Design and Development, Development Environment, Web Development, User Interface and User Experience (UI/UX) Design, Web Applications, Interactive Design, Animations, Typography, Color Theory, Web Analytics and SEO, Debugging, Data Validation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Kubernetes, CI/CD, Application Design, Cloud Deployment, Full-Stack Web Development, Back-End Web Development, Front-End Web Development, Serverless Computing, Node.JS, Restful API, Application Development, HTML and CSS, Microservices, Software Architecture, User Accounts, Docker (Software), Containerization, Django (Web Framework), React.js, Javascript
Advanced · Course · 1 - 3 Months

Skills you'll gain: Web Design and Development, Responsive Web Design, Development Environment, User Accounts, User Interface (UI), Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Microsoft Copilot, AI Workflows, Anthropic Claude, Web Applications, Tool Calling, GitHub, Web Development, Real Time Data, Debugging, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Servers, Prompt Engineering, Application Development, Agentic Workflows, Generative AI, Software Engineering
Beginner · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Web Design and Development, Responsive Web Design, HTML and CSS, Web Content Accessibility Guidelines, Front-End Web Development, Cascading Style Sheets (CSS), Web Development Tools, React.js, User Interface (UI), Javascript, Web Servers, Semantic Web, Command-Line Interface
Beginner · Course · 1 - 4 Weeks