.sfhg-wrapper{
position: relative;
}
.sfhg-landscape {
position: relative;
overflow: hidden;
width: 100%;
padding-top: 60%;
}
.sfhg-landscape-old {
position: relative;
overflow: hidden;
width: 100%;
padding-top: 75%;
}
.sfhg-portrait {
position: relative;
overflow: hidden;
width: 100%;
padding-top: 133.3%;
}
.sfhg-wrapper iframe {
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
width: 100%;
height: 100%;
}