Update UI Style

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

@@ -20,7 +20,6 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginBottom="3dp"
-            android:background="@color/background_menu"
             android:elevation="5dp"
             android:theme="?attr/actionBarStyle"
             app:title="@string/server_config"
@@ -60,7 +59,6 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:entries="@array/server_type"
-                android:theme="@style/Spinner"
                 tools:ignore="TouchTargetSizeCheck" />
 
         </LinearLayout>