<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Perfect Center Alignment Using Flexbox</title> <style> .flex-container { width: 500px; min-height: 300px; margin: 0 auto; font-size: 22px; border: 5px solid purple; display: -webkit-flex; /* Safari 6.1+ */ display: flex; /* Standard syntax */ } .item { width: 300px; padding: 30px; margin: auto; text-align: center; background: orange; } </style> </head> <body> <div class="flex-container"> <div class="item">Center Alignment</div> </div> </body> </html>