h1 {
    color: red;
}

#card-div {
    min-width: 40%;
    margin: 5% auto 5% auto;
}

#form-area-div {
    width: 55%;
    margin: 5% auto 5% auto;
}

.table-area-div {
    width: 70%;
    margin: 5% auto 5% auto;
}

.footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    text-align: center;
}