.ytdelimitador {
    width: 100%;
    max-width: 620px;
    margin: auto;
}
.ytcontenedor {
    height: 0px;
    width: 100%;
    max-width: 620px;
    padding-bottom: 56.25%;
    position: relative;
}
.ytcontenedor iframe {
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0px;
    left: 0px;
}

 #Iframe-Liason-Sheet {
    max-width: 640px;
    max-height: 3634px;
    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;
    }

#Iframe-Liason-Sheet {
    max-width: 640px;
    max-height: 3634px;
    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-640x3634 {
    padding-bottom: 363.6364%;
    }
    .iframe-border {
    border: 1px solid #000;
    }
    .center-block-horiz {
    margin-left: auto !important;
    margin-right: auto !important;
    }

#Iframe-Liason-Sheet {
    max-width: 640px;
    max-height: 3528px;
    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-640x3528 {
    padding-bottom: 363.6364%;
    }
    .iframe-border {
    border: 1px solid #000;
    }
    .center-block-horiz {
    margin-left: auto !important;
    margin-right: auto !important;
    }

#Iframe-Liason-Sheet {
    max-width: 640px;
    max-height: 3303px;
    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-640x3303 {
    padding-bottom: 363.6364%;
    }
    .iframe-border {
    border: 1px solid #000;
    }
    .center-block-horiz {
    margin-left: auto !important;
    margin-right: auto !important;
    }