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<!DOCTYPE html> <html> <head> <title>Let's Coding Example</title> </head> <style> .container { width: 800px; /* Set the width of the container */ height: 800px; background: green; } .centered-content { width: 400px; /* Set the width of the element you want to center */ height: 400px; margin: 0 auto; /* Horizontally center the element within the container */ background: blue; } </style> <body> <div class="container"> <div class="centered-content"> </div> </div> </body> </html>
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