body{font-family:Arial,sans-serif;margin:0;padding:0;background-color:#f0f0f0}.main-content{padding:20px}.container{max-width:1200px;margin:0 auto;background-color:#fff;padding:30px;border-radius:15px;box-shadow:0 0 20px #0000001a}h1{text-align:center;color:#2c3e50;margin-bottom:30px;font-size:2.2em}.people-container{display:flex;gap:30px;margin-bottom:30px}.person{flex:1;padding:25px;background-color:#f8f9fa;border-radius:10px;box-shadow:0 2px 5px #0000000d;transition:transform .2s}.person:hover{transform:translateY(-2px)}h2{color:#2c3e50;margin-bottom:15px;font-size:1.5em;border-bottom:2px solid #3498db;padding-bottom:5px;display:inline-block}.age-info{margin:12px 0;padding:12px 15px;background-color:#fff;border-left:4px solid #3498db;border-radius:4px;font-size:1.1em;color:#2c3e50;box-shadow:0 2px 4px #0000000d}#sameAge{margin:30px 0;padding:15px;background-color:#e8f4f8;border-radius:10px;text-align:center;font-weight:700;color:#2c3e50;box-shadow:0 2px 5px #0000001a}.birth-date{color:#666;font-style:italic;margin-bottom:15px}.difference-section{margin-top:30px;border-top:2px solid #e8f4f8;padding-top:30px}@media (max-width: 768px){.people-container{flex-direction:column}.container{padding:15px}h1{font-size:1.8em}.person{margin-bottom:20px}}