.card {
    background: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    width: 100%;
    max-width: 380px;
    border-top: 5px solid #004a99;
    margin-top: 130px;
    opacity: 80%;
}

@media (max-width: 480px) {
    body {
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100vh;
        margin: 0;
        padding: 20px;
        box-sizing: border-box;
    }

    .card {
        margin-top: 0;
        width: 100%;
        max-width: none;
    }
}