chromium/chrome/browser/resources/extensions/site_permissions/site_permissions.html

<style include="cr-shared-style shared-style">
  #container {
    box-sizing: border-box;
  }

  #header {
    font-size: 0.88rem;  /* Should be 14px */
    margin: 31px auto 16px auto;
    width: var(--cr-toolbar-field-width);
  }

  #site-permissions-container {
    background-color: var(--cr-card-background-color);
    border-radius: var(--cr-card-border-radius);
    box-shadow: var(--cr-card-shadow);
    color: var(--cr-primary-text-color);
    margin: 0 auto;
    width: var(--cr-toolbar-field-width);
  }

  #site-lists {
    box-sizing: border-box;
    padding: var(--cr-section-padding) var(--cr-section-padding) 0;
  }

  cr-link-row {
    padding-inline-end: 28px;
  }
</style>
<div class="page-container" id="container">
  <div id="header">$i18n{sitePermissionsPageTitle}</div>
  <div id="site-permissions-container">
    <div id="site-lists">
      <template is="dom-if" if="[[showPermittedSites_]]">
        <site-permissions-list
            delegate="[[delegate]]"
            extensions="[[extensions]]"
            header="$i18n{permittedSites}"
            site-set="[[siteSetEnum_.USER_PERMITTED]]"
            sites="[[permittedSites]]"></site-permissions-list>
      </template>
      <site-permissions-list
          delegate="[[delegate]]"
          extensions="[[extensions]]"
          header="$i18n{restrictedSites}"
          site-set="[[siteSetEnum_.USER_RESTRICTED]]"
          sites="[[restrictedSites]]"></site-permissions-list>
    </div>
    <cr-link-row class="hr" id="allSitesLink"
        label="$i18n{sitePermissionsViewAllSites}"
        on-click="onAllSitesLinkClick_">
    </cr-link-row>
  </div>
</div>