.san09-embed-shell {
  box-sizing:border-box;
  position:relative;
  left:50%;
  transform:translateX(-50%);
  width:calc(100vw - 32px);
  max-width:1570px;
  margin:0;
}
.san09-embed-shell > iframe[data-san09-embed] {
  display:block;
  width:100%;
  max-width:none;
  min-width:0;
  height:900px;
  min-height:0;
  border:0;
  background:#fff;
}
.san09-embed-fallback { margin:8px 0; font-size:13px; }
@media (max-width:600px) {
  .san09-embed-shell { width:calc(100vw - 16px); margin:12px 0; }
}