gnome-control-center/panels/firmware-security/cc-firmware-security-boot-dialog.ui

<?xml version="1.0" encoding="UTF-8"?>
<interface>
  <template class="CcFirmwareSecurityBootDialog" parent="GtkDialog">
    <property name="use-header-bar">True</property>
    <property name="default-width">400</property>
    <property name="modal">True</property>
    <child internal-child="headerbar">
      <object class="GtkHeaderBar">
        <property name="show_title_buttons">True</property>
        <child type="title">
          <object class="AdwBin" />
        </child>
        <style>
          <class name="flat" />
        </style>
      </object>
    </child>
    <child>
      <object class="GtkBox">
        <property name="orientation">vertical</property>
        <property name="margin-start">32</property>
        <property name="margin-end">32</property>
        <property name="margin-bottom">32</property>
        <child>
          <object class="GtkBox">
            <property name="orientation">vertical</property>
            <property name="spacing">16</property>
            <child>
              <object class="GtkImage" id="secure_boot_icon">
                <property name="pixel-size">32</property>
                <property name="halign">center</property>
                <property name="valign">center</property>
                <property name="icon-name">channel-insecure</property>
                <style>
                  <class name="security-level-icon"/>
                </style>
              </object>
            </child>
            <child>
              <object class="GtkLabel" id="secure_boot_title">
                <property name="wrap">True</property>
                <style>
                  <class name="title-2" />
                </style>
              </object>
            </child>
            <child>
              <object class="GtkLabel" id="secure_boot_description">
                <property name="wrap">True</property>
                <property name="width-chars">40</property>
                <property name="max-width-chars">40</property>
                <property name="justify">left</property>
                <property name="label" translatable="yes">Secure boot prevents malicious software from being loaded when the device starts.

For more information, contact the hardware manufacturer or IT support.</property>
              </object>
            </child>
          </object>
        </child>
      </object>
    </child>
  </template>
</interface>