.ndfHFb-c4YZDc-Wrql6b {
    opacity: 0;
    display: none;
}

.ndfHFb-c4YZDc-Wrql6b:hover {
    display: none;
}

.ndfHFb-c4YZDc-i5oIFb .ndfHFb-c4YZDc-Wrql6b-SmKAyb {
   display: none;
}

.ndfHFb-c4YZDc.ndfHFb-c4YZDc-i5oIFb .ndfHFb-c4YZDc-Bz112c:not([onclick]):not(:link):not(:visited) {
    background-image: url(//ssl.gstatic.com/docs/common/viewer/v3/v-sprite35.svg)!important;
    display: none;
}
.ndfHFb-c4YZDc-i5oIFb.ndfHFb-c4YZDc-e1YmVc .ndfHFb-c4YZDc-Wrql6b-AeOLfc-b0t70b .ndfHFb-c4YZDc-GSQQnc-LgbsSe {
    display: none;
}
.agon {
    allign: centr-centr;
}



  .agon {
    position: relative;
    padding-bottom: 140%; // (450 ÷ 500 = 0.9 = 90%)
    height: 0;
    overflow: hidden;
}
.agon iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}