style.css

.dom-destroyer--target {
  cursor: crosshair;
  animation: 0.9s infinite scroll alternate;
}
@keyframes scroll {
  from { opacity: 1; }
  to { opacity: 0.333; }
}

.dom-destroyer--mask {
  background: radial-gradient(circle, hsla(350, 50%, 80%, 0) 25%, hsla(350, 50%, 50%, 0.25));
  border: 2px dashed hsla(350, 50%, 50%, 0.5);
  box-sizing: border-box;
  height: 0;
  left: 0;
  pointer-events: none;
  position: fixed;
  top: 0;
  transition: all 0.1s;
  width: 0;
  z-index: 9999999;
}

.dom-destroyer--iframe-blinder {
  position: fixed;
  z-index: 9999998;
}

.dom-destroyer--replacement {
  background: hsl(350, 50%, 50%);
  opacity: 1;
  transition: all 0.2s;
}

.dom-destroyer--replacement-poofed {
  height: 0 !important;
  width: 0 !important;
  margin: 0 !important;
  opacity: 0.5;
}

.dom-destroyer--replacement-gone {
  display: none;
}