.mat-rb {
      margin-bottom: 10px;
  }
  .mat-rb input[type="radio"] {
      position: absolute;
      opacity: 0;
  }
  .mat-rb label {
      font-size: 16px;
      font-weight: 400;
  }
  .mat-rb input[type="radio"] + label:before {
      content: '';
      border-radius: 100%;
      background: #ffffff;
      border: 2px solid #b2b2b2;
      display: inline-block;
      width: 15px;
      height: 15px;
      position: relative;
      margin-right: 10px;
      vertical-align: top;
      cursor: pointer;
      text-align: center;
      -webkit-transition: all 250ms ease;
      transition: all 250ms ease;
  }
  .mat-rb input[type="radio"]:checked + label:before {
      background-color: var(--ion-color-primary, #49586e);
      box-shadow: inset 0 0 0 3px #f4f4f4;
  }
  .mat-rb input[type="radio"]:focus + label:before {
      outline: none;
      border-color: var(--ion-color-primary, #49586e);
  }
  .mat-rb input[type="radio"]:disabled + label:before {
      box-shadow: inset 0 0 0 4px #f4f4f4;
      border-color: #b4b4b4;
      background: #b4b4b4;
  }
  .mat-rb input[type="radio"] + label:empty:before {
      margin-right: 0;
  }