body{font-family:Arial,sans-serif;margin:0;padding:0;background-color:#f5f5f5;color:#333}.container{max-width:800px;margin:50px auto;padding:20px;background-color:#fff;box-shadow:0 0 10px rgba(0,0,0,.1)}h1{font-size:24px;color:#2c3e50;text-align:center}h2{font-size:20px;margin-top:20px}h2,h3{color:#2980b9}h3{font-size:18px;margin-top:10px}p{font-size:16px;line-height:1.6;margin-bottom:10px}.date{font-style:italic;color:#7f8c8d;text-align:center;margin-bottom:20px}a{color:#2980b9;text-decoration:none}a:hover{text-decoration:underline}ol,p,ul{text-align:justify}