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Tip: Explore the Difference Between ID and Class

Learn the difference between ID and Class in CSS notation.


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These two selectors often confuse beginners. In CSS, the difference between them is that the class is represented by a dot ".", while ID is represented by a hash "#".

In a nutshell ID is used on a style that is unique and it doesn't repeat itself, but the class can be re-used.

 

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Octavia Andreea Anghel is a senior PHP developer currently working as a primary trainer for programming teams that participate at national and international software-development contests. She consults on developing educational projects at a national level. She is a coauthor of the book "XML Technologies--XML in Java" (Albastra, ISBN 978-973-650-210-1), for which she wrote the XML portions. In addition to PHP and XML, she's interested in software architecture, web services, UML, and high-performance unit tests.
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