body{
    background-color: #ececec;
    height: 1500px;
}

iframe{
    max-width: 50vw;
}



footer{  position: fixed;
    width:auto;
height: 720px;
background-color: white;
bottom: 720px;
left: 800px;
right: 0px;
top: 800px;
margin-bottom: 0px;
}