body {
    background-color: #f3ed51;
}

.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: auto;
}

.footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: #f3ed51;
    color: black;
    text-align: center;

}