.content-wrapper {
    display: flex;
    justify-content: center;
    /* centers horizontally */
    align-items: center;
    /* centers vertically */
    min-height: 100vh;
    /* makes it take full viewport height */
    text-align: center;
    /* centers text inside */
    flex-direction: column;
    /* stack children vertically */
    background-image: linear-gradient(180deg, rgb(216, 238, 255), rgb(254, 230, 230));
}

.navbar-brand {
    color: black;
}

.hero {
    max-width: 600px;
    /* optional: limit width for better readability */
}

.btn {
    margin-top: 20px;
    margin-bottom: 20px;
}

.note {
    margin-top: 15px;
    font-size: 18px;
    color: #555;
}