Update themes.json

settings/themes.json

     "backgroundImage": "1280x720-cu-dj-audiogram.png",
     "foregroundColor": "#fc0",
     "waveBottom": 660,
-    "waveTop": 320
+    "waveTop": 320,
     "maxDuration": 600
    },
    "CU Bonus Cast (Facebook/YouTube)": {