.fanny-on-fire {
background-image: url("//ksr_fanny.s3.amazonaws.com/Banner_Small2.jpg");
display: block;
width: 100%;
height: 600px;
background-size: contain;
background-repeat: no-repeat;
}

.fof-buy {
    display: block;
    width: 100%;
    height: 100%;
}

@media only screen and (max-width: 760px) {
.fanny-on-fire {
background-image: url("//ksr_fanny.s3.amazonaws.com/4x8_Vertical%20-%20for%20web.jpg");
display: block;
width: 100%;
margin: 0 auto;
height: 600px;
background-size: contain;
background-repeat: no-repeat;
background-position: center;
}
.fof-buy {
    display: block;
    width: 100%;
    height: 100%;
}
}