Use this handy, simplified guide to quickly learn HTML and CSS -- a foundation of modern web development.

Add the externalBlue.css style sheet to externalCSS.html by placing a link tag (" ") between the file's opening "" and closing "" tags.

Your template file may have a different name, so use the correct name in place of "template.css." Your HTML head section looks similar to this example: Save the HTML file.

Upload your custom .css file to the AEM server by selecting New > File and browse to the file's location on your local machine. Once uploaded, you will see the .css file in the list of assets in your ...

Learn how cascading style sheets (CSS) work, and how they can help you properly create HTML page layouts that conform to industry best practices.

Large CSS files can pose challenges, such as slowing down the site and making maintenance more complex.

Upload your custom .css file to the AEM server by selecting New > File and browse to the file's location on your local machine. Once uploaded, you will see the .css file in the list of assets in your ...