The span tag has a class attribute whose value is the four CSS classes defined in the previous step. HTML allows you to add multiple classes to a tag. This span tag contains the letter "t." ...

For instance, if a class defines a width of 100 pixels, all DIVS referencing that class will be 100 pixels wide. You can override a DIV's CSS class definition by updating the DIV's HTML code.

When you want to make something awesome on the web, you have to start with HTML and CSS. With plenty of options, picking a good tutorial isn't always easy. Here are beginner and advanced lessons ...

Pure CSS offers a minimalist, mobile-first approach to CSS layouts in your web pages. Let's get started with this lightweight framework, which you can use as-is or extend with a variety of plugins.