html, body {
margin: 0;
padding: 0;
border: 0 none;
overflow: visible;
height: 100%;
}
iframe {
margin: 0;
padding: 0;
border: none;
position: absolute;
left: 30px;
top: 50px;
overflow: visible;
}
iframe#iframe1 {
width: 700px;
height: 600px;
}
iframe#iframe2 {
width: 650px;
height: 550px;
}
iframe#iframe3 {
width: 600px;
height: 500px;
}