body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #1f4068, #162447);
    color: #ffffff;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

h1 {
    margin-bottom: 10px;
    color: #00adb5;
}