.thought, .though:before,
.thought:after {
  border-radius: 50%;
  border: 5px solid blue;
  background-color: white;
  position: relative;
}
.thought:before,
.thought:after {
  content: '';
  position: absolute;
  left: 20%;
  bottom: -50%;
  height: 40px;
  width: 40px;
}

.thought:after {
  left: 12%;
  bottom: -50px;
  height: 20px;
  width: 20px;
}



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