body {
    margin: 0;
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f0f4f8;
}

header {
    background: linear-gradient(135deg, #1677ff, #8b5cf6);
    color: white;
    padding: 30px;
}

nav {
    background-color: #222;
    padding: 18px;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 15px;
}

main {
    background-color: white;
    max-width: 600px;
    margin: 30px auto;
    padding: 30px;
    border-radius: 15px;
}

button {
    background-color: #1677ff;
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

.center-button {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 35px auto;
}

.photo-button {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
}

.photo-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.6);
}