.vat-echart-renderer-wrapper {
  height: 400px;
  width: calc(100% - 20px);
  margin: 10px;
}
.vat-echart-renderer-wrapper > span {
  color: #777777;
  font-size: 25px;
  display: block;
  width: 100%;
  height: 100%;
  line-height: 400px;
  text-align: center;
  vertical-align: middle;
}
.vat-echart-renderer-wrapper > div {
  height: 100%;
  width: 100%;
}