:host {
  .valid-code {
    position: relative;
  }
  .btn-code {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 9;
  }
  .valid-code2 {
    position: relative;
  }
  .btn-code2 {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 9;
  }
}