diff --git a/RoomPicker-Grafana-Dashboard.json b/RoomPicker-Grafana-Dashboard.json
index 8225074..e2abb7c 100644
--- a/RoomPicker-Grafana-Dashboard.json
+++ b/RoomPicker-Grafana-Dashboard.json
@@ -453,7 +453,7 @@
             "axisPlacement": "left",
             "barAlignment": 0,
             "drawStyle": "bars",
-            "fillOpacity": 30,
+            "fillOpacity": 26,
             "gradientMode": "none",
             "hideFrom": {
               "legend": false,
@@ -462,7 +462,7 @@
             },
             "insertNulls": false,
             "lineInterpolation": "stepAfter",
-            "lineWidth": 2,
+            "lineWidth": 3,
             "pointSize": 3,
             "scaleDistribution": {
               "type": "linear"
@@ -471,7 +471,7 @@
             "spanNulls": false,
             "stacking": {
               "group": "A",
-              "mode": "normal"
+              "mode": "none"
             },
             "thresholdsStyle": {
               "mode": "off"
@@ -725,13 +725,13 @@
     "list": []
   },
   "time": {
-    "from": "now-6h",
+    "from": "now-15m",
     "to": "now"
   },
   "timepicker": {},
   "timezone": "",
   "title": "RoomPicker",
   "uid": "e3009deb-a342-4a32-9d13-3b44ed3461bc",
-  "version": 24,
+  "version": 26,
   "weekStart": ""
 }
\ No newline at end of file