Learning HTML and CSS: tutorials and references

Here are some useful sites for learning about HTML, CSS, and related subjects:

• Codecademy – for learning HTML, CSS and Javascript.
• Mozilla Thimble — learn from scratch, or use their projects to understand and use HTML and CSS code.
• w3schools.com – tutorials and reference material for many web technologies.
• A video on YouTube – also has links to additional resources on this page.
• The Code Player – an assortment of tutorials disguised as fun projects to learn HTML5 and CSS3, displayed Pinterest-style.