https://jsfiddle.net/ef6ukobf/

#test {
  background: #26A65B;
  height: 30px;
  width: auto;
  margin-top: -8px;
  margin-left: -8px;
  margin-right: -8px;
}
.test_info {
  background: #00ff00;
  border-radius: 5px;
  height: 20px;
  width: auto;
  margin-top: -2px;
  margin-left: 20px;
}

<div id="test">
  <div class="test_info">50</div>
</div>