diff --git a/app.py b/app.py
index 20c66d3..3f57f2b 100644
--- a/app.py
+++ b/app.py
@@ -17,10 +17,11 @@ item3 = 0
 item4 = 0
 item5 = 0
 item6 = 0
+background = "bg-white"
 
 @app.route("/", methods=["GET", "POST"])
 def index():
-    global gesamtwert, item1, item2, item3, item4, item5, item6, sum, givenfloat, change, given
+    global gesamtwert, item1, item2, item3, item4, item5, item6, sum, givenfloat, change, given, background
 
     if request.method == "POST":
         # wert = float(request.form["wert"])
@@ -41,6 +42,7 @@ def index():
             item4 = 0
             item5 = 0
             item6 = 0
+            background = "bg-white"
         # summarize value
         elif wertfloat != -2:
             gesamtwert += wertfloat
@@ -62,10 +64,17 @@ def index():
         if wertfloat == .2:
             item6 += 1
         if givenfloat > 0:
-            gesamtwert = session['summefloat']
-            sum = str(gesamtwert) + "0"
-            change = str(round((givenfloat - gesamtwert) * -1, 2)) + "0"
-            logging.info('Sum %s, given %s, change %s', sum, givenfloat, change)
+            try:
+                gesamtwert = session['summefloat'] or 0
+                sum = str(gesamtwert) + "0"
+                change = str(round((givenfloat - gesamtwert) * -1, 2)) + "0"
+                logging.info('Sum %s, given %s, change %s', sum, givenfloat, change)
+            except:
+                logging.warning("Failed to read sum")
+        if givenfloat - gesamtwert < 0:
+                background = "bg-danger"
+        else:
+                background = "bg-white"
     
     session['item1'] = item1
     session['item2'] = item2
@@ -87,6 +96,7 @@ def index():
         item4=session.get('item4', 0),
         item5=session.get('item5', 0),
         item6=session.get('item6', 0),
+        background=background,
         )
 
 @app.route('/favicon.ico')
@@ -100,5 +110,5 @@ def favicon():
 #         'about.html')
 
 if __name__ == "__main__":    
-    logging.info('Starting erdbeerhannah v1.0.2')
+    logging.info('Starting erdbeerhannah v1.0.3')
     app.run(debug=True, host='0.0.0.0')
\ No newline at end of file
diff --git a/templates/index.html b/templates/index.html
index c2fd471..807a401 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -84,14 +84,14 @@
                                 <button type="submit" name="wert" value="-2" class="btn btn-xl btn-primary custom-btn-size-med">🧾</button>
                             </div>
                         </td>
-                        <td class="bold-row">🪙 {{ change }}€</td>
+                        <td class="bold-row {{ background }}">🪙 {{ change }}€</td>
                     </tr>
                     <tr>
                         <td colspan="3"><button type="submit" name="wert" value="0" id="reset" class="btn btn-xl btn-dark custom-btn-size">Reset 🦭</button></td>
                     </tr>
                     <tr>
                         <td colspan="3">Made with ♥️, marmalade and zero kowledge in Kiel Strawberry City.<br>
-                            Version: 1.0.2/2024-05-26<br>
+                            Version: 1.0.3/2024-05-27<br>
                             <a href="https://gitea.elpatron.me/elpatron/erdbeerhannah/src/branch/main/README.md" target="_blank">Weitere Infos</a></td>
                     </tr>
                 </tbody>