<div class="konusma-balonu">
  İnsan gerçekten hayret ediyor.
</div>
.konusma-balonu{
  background-color:#40DBE5;
  float:left;
  padding:10px 20px;
  border-radius:5px;
  font-size:20px;
  position:relative;
  color: white;
  margin-top: 20px
}

.konusma-balonu:after{
  content: '';
  position:absolute;
  left: 30px;
  top:-10px;
  border-style: solid;
  border-width: 0 15px 10px 15px;;
  border-color: transparent transparent #40DBE5 transparent;  
}

External CSS

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External JavaScript

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