docs: Change the note by the device inheritance tree to simply highli…

…ght in the lawngreen color to make the text easier to read

docs/advanced/architecture.md

@@ -96,6 +96,6 @@ This package supports many devices, zoom in to see them all!
 
 !!! note
     - Family Base Classes are outlined in **<span style="color: orangered;">orange red</span>**.
-    - Device Drivers are highlighted in **<span style="color: lawngreen;">lawn green</span>**.
+    - Device Drivers are highlighted in **<span style="background-color: lawngreen;">lawn green</span>**.
 
 {{ auto_class_diagram('tm_devices.drivers', full=True, namespace='tm_devices.drivers', highlight_family_base_classes=True, highlight_device_drivers=True, chart_direction='LR') }}