.resize-triggers {
	visibility: hidden;
}

.resize-triggers, .resize-triggers > div, .contract-trigger:before {
  content: " ";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

.resize-triggers > div {
  background: #eee;
  overflow: auto;
}

.contract-trigger:before {
  width: 200%;
  height: 200%;
}