html,body {
  height: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial;
  color: #595959;
}

#chart-container {
  position: relative;
  height: auto;
  /* border: 1px solid #aaa; */
  margin: 0.5rem;
  overflow: hidden;
  text-align: center;
}