body {
    background-color: black;
    margin-left: 10%;
    margin-right: 10%;
    margin-top: 10%;
    color: white;
}
#header-img {
    text-align: center;
    cursor: pointer;
}

.footer {
    position: fixed;
    bottom: 10%;
    right: 10%;
    font-family: sans-serif;
    font-size: 14px;
    font-style: bold;
    pointer-events: none;
}