.scene-seal {
  right: 9%;
  top: 21%;
  width: 17%
}

.participate .container {
  position: relative
}

.participation-mark {
  width: 90px;
  height: auto;
  opacity: .12;
  position: absolute;
  right: 0;
  top: 0;
  transform: rotate(13deg);
  pointer-events: none
}