Change the color on the 404 page

frontend/static/404.css

@@ -3,7 +3,7 @@
 body {
   width:100%;
   height:100%;
-  background:#48A9E6;
+  background:#0B486B;
   font-family: 'Raleway', sans-serif;
   font-weight:300;
   margin:0;
@@ -59,7 +59,7 @@ body {
 	width: 140px;
 	height: 140px;
 	border-radius: 50%;
-	background: #48A9E6;
+	background: #0B486B;
 	position: absolute;
 	z-index: 1;
 	top: 80px;
@@ -74,7 +74,7 @@ body {
 	width: 200px;
 	height: 200px;
 	border-radius: 50%;
-	background: #48A9E6;
+	background: #0B486B;
 	position: absolute;
 	z-index: 1;
 	top: 0;
@@ -89,7 +89,7 @@ body {
 	width: 400px;
 	height: 400px;
 	border-radius: 50%;
-	background: #48A9E6;
+	background: #0B486B;
 	position: absolute;
 	z-index: 1;
 	top: 200px;