Fix floating bg logo contrast (especially dark mode) on small screens

Author: pimterry

app/src/main/res/layout/main_layout.xml

@@ -18,7 +18,7 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:alpha="0.3"
-            android:tint="#fff"
+            app:tint="@color/mainBackground"
             android:layout_marginBottom="120dp"
             app:srcCompat="@drawable/ic_transparent_icon"
             tools:ignore="ContentDescription" />

app/src/main/res/values/styles.xml

@@ -92,7 +92,7 @@
     </style>
 
     <style name="ConnectionStatusButton" parent="@style/ConnectionStatusCard">
-        <item name="cardBackgroundColor">@color/transparent</item>
+        <item name="cardBackgroundColor">@color/containerBackground</item>
         <item name="strokeWidth">1dp</item>
         <item name="strokeColor">@color/lowLightColor</item>
         <item name="android:textSize">12sp</item>