body{font-family:Arial,sans-serif;background-color:#f7fafc}.container{align-items:center;justify-content:center;min-height:20vh;max-width:800px;margin:0 auto;padding:20px}.container,input[type=text]{display:flex;flex-direction:column;box-sizing:border-box}input[type=text]{padding:.5rem;border:1px solid #ccc;border-radius:4px;width:100%;line-height:1.3;flex-grow:1}input[type=text]+button{margin-top:.5rem}.btn-blue{background-color:#0073e6;color:#fff;padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-size:16px}.btn-blue:hover{background-color:#005bb3}.thumbnail-option{background-color:#fff;border:1px solid #ccc;border-radius:4px;padding:1rem;text-align:center;transition:box-shadow .2s}.thumbnail-option:hover{box-shadow:0 2px 4px rgba(0,0,0,.1)}.thumbnail-option img{max-width:100%;height:auto}.thumbnail-option button{background-color:#3498db;color:#fff;font-weight:700;padding:.3rem .6rem;border-radius:4px;cursor:pointer;transition:background-color .2s}.thumbnail-option button:hover{background-color:#2680c5}.footer{background-color:#f7fafc;color:#000;text-align:center;padding:10px 0;bottom:0;left:0;width:100%;z-index:3}nav{background-color:#0074d9;color:#fff;max-width:100%;margin:0 auto}nav ul{display:flex;justify-content:space-around;list-style:none;justify-content:center;background-color:#0073e6;padding:6px 0}nav li{margin:0 10px;width:auto}nav a{text-decoration:none;color:#fff;font-weight:700;font-size:16px;width:auto}nav a:hover{text-decoration:underline}h1{text-align:center}h1,h2{margin:20px 0}p{margin:10px 0}form{background-color:#f7f7f7;padding:20px;border-radius:5px}label{display:block;margin:10px 0;font-weight:700}input[type=email],input[type=text],textarea{width:100%;padding:10px;margin:5px 0;border:1px solid #ccc;border-radius:3px}button[type=submit]{background-color:#007bff;color:#fff;border:none;padding:10px 20px;border-radius:5px;cursor:pointer}button[type=submit]:hover{background-color:#0056b3}@media (max-width:600px){form{padding:10px}}