chromium/chrome/browser/resources/chromeos/cloud_upload/connect_onedrive.html

<style>
  #dialog {
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    width: 512px;
  }

  .body-wrapper {
    padding: 32px;
  }

  #dialog:focus-visible {
    outline: none;
  }

  svg {
    background-color: var(--cros-sys-app_base_shaded);
    height: 236px;
    width: 512px;
  }

  #title {
    color: var(--cros-sys-on_surface);
    font: var(--cros-display-6-font);
  }

  .normal-text {
    color: var(--cros-sys-on_surface_variant);
    font: var(--cros-body-1-font);
    height: 148px;
    margin-block-start: 16px;
  }

  #error-message {
    align-items: center;
    color: var(--cros-sys-error);
    display: flex;
    margin-top: 12px;
  }

  #error-message[hidden] {
    /* display: flex overrides the hidden visibility */
    display: none;
  }

  .error-text {
    margin-inline-start: 5px;
  }

  .icon {
    -webkit-mask-image: url(icons/error.svg);
    background-color: var(--cros-sys-error);
    height: 17px;
    width: 17px;
  }

  #button-container {
    display: flex;
    justify-content: flex-end;
    margin-top: 32px;
  }

  cr-button {
    --active-bg: transparent;
    --active-shadow: none;
    --active-shadow-action: none;
    --bg-action: var(--cros-sys-primary);
    --cr-button-height: 36px;
    --disabled-bg-action:
        var(--cros-sys-disabled_container);
    --disabled-bg: var(--cros-sys-disabled_container);;
    --disabled-text-color: var(--cros-sys-disabled);
    /* Use the default bg color as hover color because we
        rely on hoverBackground layer below.  */
    --hover-bg-action: var(--cros-sys-primary);
    --hover-bg-color: var(--cros-sys-primary_container);
    --ink-color: var(--cros-sys-ripple_primary);
    --ripple-opacity-action: 1;
    --ripple-opacity: 1;
    --text-color-action: var(--cros-sys-on_primary);
    --text-color: var(--cros-sys-on_primary_container);
    border: none;
    border-radius: 18px;
    box-shadow: none;
  }

  cr-button.cancel-button {
    background-color: var(--cros-sys-primary_container);
  }

  cr-button.cancel-button:hover::part(hoverBackground) {
    background-color: var(--cros-sys-hover_on_subtle);
    display: block;
  }

  cr-button.action-button:hover::part(hoverBackground) {
    background-color: var(--cros-sys-hover_on_prominent);
    display: block;
  }

  :host-context(.focus-outline-visible) cr-button:focus {
    outline: 2px solid var(--cros-sys-focus_ring);
    outline-offset: 2px;
  }
</style>

<svg viewBox="0 0 448 200">
  <use id="install" href="images/install_onedrive_alone.svg#EXPORT_image"></use>
  <use id="success" visibility="hidden"
      href="images/one_drive_success.svg#EXPORT_image"></use>
</svg>
<!-- autofocus for screen reader to read header on dialog open-->
<div id="dialog" role="dialog" autofocus tabindex="-1" aria-labelledby="title">
  <div class="body-wrapper">
    <div id="title">
      $i18n{connectToOneDriveTitle}
    </div>
    <div class="normal-text" id="body-text">
      $i18n{connectToOneDriveBodyText}
      <div id="error-message" hidden>
        <div class="icon"></div>
        <span class="error-text">
          $i18n{cantConnectOneDrive}
        </span>
      </div>
    </div>
    <div id="button-container">
      <cr-button class="cancel-button">$i18n{close}</cr-button>
      <cr-button class="action-button">$i18n{connectOneDrive}</cr-button>
    </div>
  </div>
</div>