html, body {min-height: 100%;}

body {
    background-image: url("../images/background5.jpg");
    background-repeat: no-repeat;
    background-size: cover;
}

iframe {
    position: absolute;
    /* border: .5rem solid rgb(0, 0, 0); */
    top: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    right: 0;
    height: 80%;
    width: 69%;
}

.logo {
    padding-top: 1%;
    padding-left: 1%;
    height: 6%;
    width: 6%
}