Learn CSS fundamentals really fast, online and free. FULL COURSE: http://inarocket.com Learn front end development fast, step-by-step and with ready-to-use code. IN THIS MODULE YOU'LL LEARN: - How to set a background using CSS. - How to apply different background options: background-color, background-position, background-image, background-repeat and background-attachment. - How to create linear and radial gradients. - Tools: examine background and accessibility information, CSS gradients gallery, etc. READY-TO-USE CODE: https://inarocket.com/courses/css/css-fundamentals/background.php REFERENCES: - The background CSS property by MDN. https://developer.mozilla.org/en-US/docs/Web/CSS/background - Chrome Developer Tools: Contrast ratio in the Color Picker. https://developers.google.com/web/updates/2018/01/devtools#contrast - Enhanced recommended contrast ratio (AAA) by W3C. https://www.w3.org/TR/WCAG21/#contrast-enhanced - Minimum recommended contrast ratio (AA) by W3C. https://www.w3.org/TR/WCAG21/#contrast-minimum - Gradient Magic: 28 collections and over 1558 unique CSS gradients. https://www.gradientmagic.com/ - WebGradients: free collection of 180 linear gradients. https://webgradients.com/ BEST BOOKS TO LEARN CSS: - CSS: The Definitive Guide: Visual Presentation for the Web by O'Reilly Media. https://amzn.to/2VOWHQT - HTML and CSS: Design and Build Websites by John Wiley & Sons. https://amzn.to/2Ir5y3i - CSS: The Missing Manual by O'Reilly Media. https://amzn.to/2ImdyTf - CSS Visual Dictionary by Independently published. https://amzn.to/2xgwHUh