.interactive-knot{max-width:1180px}
.interactive-knot iframe{display:block;width:100%;height:900px;border:0;background:#0d2b3a;overflow:hidden}
.interactive-hint{max-width:720px;margin:18px auto 0;text-align:center;color:#b9ced8;font-size:14px}
@media(max-width:760px){.interactive-knot{width:100%;padding:0 8px}.interactive-knot iframe{height:760px}.interactive-hint{padding:0 14px;font-size:13px}}