.footer-crowd {
  position: relative;
  display: block;
  width: 100%;
  height: 210px;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
  contain: layout paint;
}
.footer-crowd canvas {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
@media (max-width: 639px) {
  .footer-crowd { height: 180px; }
}