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<!DOCTYPE html> <html> <head> <style> h1.intro { color: blue; text-align: center; } .important { background-color: yellow; } </style> </head> <body> <h1 class="intro important">Header 1</h1> <p>A paragraph.</p> </body> <!-- Mirrored from www.w3schools.com/tags/tryit.asp?filename=tryhtml5_global_class2 by HTTrack Website Copier/3.x [XR&CO'2014], Fri, 23 Jan 2015 08:09:01 GMT --> </html>
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