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<!DOCTYPE html> <html> <head> <style type="text/css"> body{ background-color: rgb(26, 117, 115); } h1{ background-color: yellow; } p{ background-color: #FF00DD; } </style> </head> <body> <h1>Heading 1</h1> <p>Đoạn văn bản</p> </body> </html>
<!DOCTYPE html> <html> <head> <style type="text/css"> body{ background-color: rgb(26, 117, 115); } h1{ background-color: yellow; } p{ background-color: #FF00DD; } </style> </head> <body> <h1>Heading 1</h1> <p>Đoạn văn bản</p> </body> </html>