.logo {
    padding: 10px;
    border-radius: 50%;
    background-color: white;
    width: 100px;
    height: 100px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    top: 50px;
}

footer {
    text-align: center;
    margin-top: 50px;
    bottom: 50px;
    left: 50%;
}