body {
    background-color:aqua;
}
.back-img {
    position: static;
    background-image: url("images/ComTopLogo.png");
    background-repeat: no-repeat;
    object-fit: cover;
    background-size:cover;
    height: 100%;
    width: 100%;
    padding: 0px;
    margin: 0px;
}