css hintergrund page

css/main.css

@@ -29,7 +29,7 @@
   }
   .page {
     box-sizing: border-box;
-    background: rgba(255,255,255,0.9);
+    background: rgba(255,255,255);
     margin: 20px;
     box-shadow: 0px 0px 30px 0px #888;
   }