.mat-form-field-appearance-legacy {
  .mat-form-field-prefix,
  .mat-form-field-suffix {
    .mat-datepicker-toggle-default-icon {
      width: 1em;
    }
  }
}

.mat-form-field:not(.mat-form-field-appearance-legacy) {
  .mat-form-field-prefix,
  .mat-form-field-suffix {
    .mat-datepicker-toggle-default-icon {
      display: block;
      width: 1.5em;
      height: 1.5em;
    }

    .mat-icon-button .mat-datepicker-toggle-default-icon {
      margin: auto;
    }
  }
}