@adobe/spectrum-css/dist/components/avatar/index-vars.css

The Spectrum CSS top-level backwards compatible package

.spectrum-Avatar {
  width: var(--spectrum-avatar-size-50-width, var(--spectrum-alias-avatar-size-50));
  height: var(--spectrum-avatar-size-50-height, var(--spectrum-alias-avatar-size-50));

  border-radius: var(--spectrum-avatar-size-50-border-radius, 50%);
  border-style: none;

  -webkit-user-drag: none;
  -webkit-user-select: none;
      -ms-user-select: none;
          user-select: none;
}

.spectrum-Avatar {
  opacity: var(--spectrum-avatar-size-100-opacity, 1);
}

.spectrum-Avatar.is-disabled {
    opacity: var(--spectrum-avatar-size-100-opacity-disabled, 0.3);
  }