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<div>
  <span class="red">Red</span>
</div>
<div>
  <span class="green">Green</span>
</div>
<div>
  <span class="blue">Blue</span>
</div>
div:first-child {
  opacity: .99; 
}

.red, .green, .blue {
  position: absolute;
  width: 100px;
  color: white;
  line-height: 100px;
  text-align: center;
}

.red {
  z-index: 1;
  top: 20px;
  left: 20px;
  background: red;
}

.green {
  top: 60px;
  left: 60px;
  background: green;
}

.blue {
  top: 100px;
  left: 100px;
  background: blue;
}
Rerun