.wrapper {
  height: 100%;
  display: flex;
  position: relative;
  flex-direction: column;
}

#toolPanel {
  text-align: center;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 13px;
  margin-bottom: 5px;
}

.spacer {
  display: inline-block;
  min-width: 20px;
}

#myChart {
  height: 100%;
}