.flip-parent {
    background-color: #caddf9;
}
.flip-book {
    margin-top: 97px;
}
.flip-book iframe {
    height: 100vh;
    position:relative;
    z-index:1;
}
@media screen and (max-width: 1600px) {
    .flip-book {
        margin-top: 80px;
    }
}
@media screen and (max-width: 1399px) {
    .flip-book {
        margin-top: 70px;
    }
}
@media screen and (max-width: 767px) {
    .flip-book iframe {
        height: 60vh;
    }
}
@media only screen and (max-width: 350px) {
    #header {
        margin-top: 0px;
    }
    #footer {
        margin-bottom: 0px;
    }
}