chromium/ash/webui/sanitize_ui/resources/sanitize_initial.html

<style include="cr-shared-style sanitize-shared">
.extensions-icon {
  height: 32px;
  width: 32px;
}
.footer {
  background-color: var(--cros-sys-secondary_container);
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  color: var(--cros-sys-on_secondary_container);
  font: var(--cros-button-2-font);
  font-family: var(--cros-button-2-font-family);
  font-size: var(--cros-button-2-font-size);
  font-weight: var(--cros-button-2-font-weight);
  line-height: var(--cros-button-2-line-height);
  margin-top: 16px;
  padding: 22px 32px 22px 32px;
}
.illo-icon {
  display: block;
  margin-left: auto;
  margin-right: auto;
  height: 268px;
  width: 268px;
}
</style>

<div slot="body">
  <svg class="extensions-icon"
       preserveAspectRatio="xMidYMid meet"
       role="img" viewBox="0 0 32 32">
    <use href="svg/extension_off_32.svg#extension_off_32"></use>
  </svg>
  <div class="title">$i18n{sanitizeDialogTitle}</div>
  <div class="sanitize-description">
    $i18n{sanitizeDescription}
    $i18n{sanitizeDialogExplanation}
  </div>
  <svg class="illo-icon"
       preserveAspectRatio="xMidYMid meet"
       role="img" viewBox="0 0 268 268">
    <use href="svg/illo.svg#illo"></use>
  </svg>
</div>