body {
    background-color: #f4f7f6;
    display: flex;
    align-items: center;
    height: 100vh;
}

.card-login {
    width: 100%;
    max-width: 400px;
    margin: auto;
    border: none;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}