.my-spinner {
  width: 40px;
  position: absolute;
  top: 0px;
  left: 0px;
}

.my-header {
  margin-left: 20px;
  width: 100%;
}

.my-group-header {
  margin-left: 20px;
  width: 100%;
}

.my-expand {
  margin-left: 4px;
}