If the backgroundBlue class in this example has a color attribute ... Web developers usually keep all CSS code in a document's style section or in external style sheets. Overriding a class by ...

The preferred practice is to put style information in a separate file with a .css extension. Using formatting information contained within an external cascading style sheet is accomplished via the ...

If a CSS rule doesn’t seem to work when it looks like it should and your code appears to be written ... to understand and then present several examples. CSS specificity hierarchy having the ...