added background CSS feature

README.md

@@ -319,6 +319,7 @@ views:
 | included_devices | list (string) | **Optional** | List of devices that will display animated background. If this option is set any devices not included in this list will be excluded. Ex:  iphone, ipad, windows, macintosh, android
 | excluded_users | list (string) | **Optional** | Users to be excluded
 | excluded_devices | list (string) | **Optional** | Devices to be excluded Ex:  iphone, ipad, windows, macintosh, android
+| background | string | **Optional** | CSS option for the background overlay. Default is 'transparent'
 
 ## Example if you want a different background for night and day when a switch changes (or any combination of entities)
 A few people have asked about tying this to multiple entities. The good news is this is already possible with the use of a template sensor. Here is an example of a template sensor that would allow a different background for night/day when a bedroom switch changes.

dist/animated-background.js

@@ -526,9 +526,13 @@ function urlIsVideo(url){
 }
 
 //removes lovelace theme background
-function removeDefaultBackground(node) {
-  if (node.style.background != 'transparent' || View_Layout.style.background != 'transparent') {
-    node.style.background = 'transparent';
+function removeDefaultBackground(node, current_config) {
+  var background = 'transparent';
+  if(current_config.background){
+    background = current_config.background;
+  }
+  if (node.style.background != background || View_Layout.style.background != 'transparent') {
+    node.style.background = background;
     View_Layout.style.background = 'transparent';
   }
 }
@@ -565,7 +569,7 @@ function processDefaultBackground(temp_enabled) {
             iphone_bullshit_fixer = view_node_panel;
           }
           if (temp_enabled) {
-            removeDefaultBackground(iphone_bullshit_fixer);
+            removeDefaultBackground(iphone_bullshit_fixer, current_config);
             DEBUG_MESSAGE("Removing view background for configuration:", currentConfig(), true);
           }
           else {