throbber.css

/*
 * DO NOT EDIT THIS FILE.
 * See the following change record for more information,
 * https://www.drupal.org/node/3084859
 * @preserve
 */

/**
 * @file
 * Styling of AJAX actions throbber in off-canvas dialog.
 *
 * @internal
 */

#drupal-off-canvas-wrapper {
  & .ajax-progress, /* This is the CSS class used in Claro. */
  & .ajax-progress-throbber {
    display: inline-block;
    overflow: hidden;
    width: 0.9375rem;
    height: 0.9375rem;
    margin: 0 0.625rem;
    animation: off-canvas-throbber-spin 1s linear infinite;
    vertical-align: middle;
    border: 2px solid var(--off-canvas-text-color);
    border-top-color: transparent;
    border-radius: 50%;

    @media (forced-colors: active) {
      border-top-color: transparent;
    }
  }

  & .layout-selection,
  & .inline-block-list {
    & .ajax-progress,
    & .ajax-progress-throbber {
      position: absolute;
      inset-block-start: 0;
      inset-block-end: 0;
      inset-inline-end: 0;
      margin-block: auto;
    }
  }
}

@keyframes off-canvas-throbber-spin {
  to {
    transform: rotate(360deg);
  }
}