diff --git a/src/widgets/sensor_readings_page.ui b/src/widgets/sensor_readings_page.ui
index e82eb39..561e4a0 100644
--- a/src/widgets/sensor_readings_page.ui
+++ b/src/widgets/sensor_readings_page.ui
@@ -15,8 +15,9 @@
     <child>
       <object class="GtkLabel" id="lux_label">
         <property name="label" translatable="no">XXX Lux</property>
+
         <style>
-          <class name="title-1"/>
+          <class name="lumos-big-result"/>
         </style>
       </object>
     </child>