Update master.css

improved background

Author: devopspower

assets/css/master.css

@@ -81,7 +81,7 @@ td {
 body {
     width: 100%;
     height: 100%;
-    background: #f4f6fa;
+    background: #f3f7f9;
     font-family: "Lato", "Helvetica Neue", Arial, Helvetica, sans-serif;
     font-size: 1rem;
     color: #444;
@@ -460,4 +460,4 @@ table.dataTable>tbody>tr.child ul.dtr-details {
         -ms-flex-direction: row;
         flex-direction: row;
     }
-}
+}