#Iframe-Liason-Sheet {
    max-width: 760px;
    max-height: 1200px;
    overflow: hidden;
    }
    /* inner wrapper: make responsive */
    .responsive-wrapper {
    position: relative;
    height: 0; /* gets height from padding-bottom setting */
    -webkit-overflow-scrolling: touch;
    overflow: auto;
    }
    .responsive-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    border: none;
    }
    /* padding-bottom = h/w as a % */
    .responsive-wrapper-wxh-760x1200 {
    padding-bottom: 363.6364%;
    }
    .iframe-border {
    border: 1px solid #000;
    }
    .center-block-horiz {
    margin-left: auto !important;
    margin-right: auto !important;
    }