dashboard can have transparent background now.

src/app/dashboard/dashboard.component.scss

     -webkit-background-size: cover;
     -moz-background-size: cover;
     -o-background-size: cover;
-    background-size: cover;          
+    background-size: cover;
+    opacity:0.98;          
 }
 .container.inner {
     width: 99%;

src/app/dashboard/dist/dashboard.component.css

   -moz-background-size: cover;
   -o-background-size: cover;
   background-size: cover;
+  opacity: 0.98;
 }
 
 .container.inner {