message: use fixed height
diff: width: 100%;
  height: 100%;
  background-size: cover;
  + background-position: left center;
  background-repeat: no-repeat;
  background-color: black;
  z-index: -1;
  }
  }
  -.classIcon {
  - width: 16px;
  +:global(.app-icon).classIcon {
  + width: auto;
  height: 16px;
  margin-right: 4px;
  }
  