working on background image

web/src/main/resources/web/css/basic.css

@@ -15,7 +15,7 @@ body{
     background-image: url('/umbrella100px.png');
     background-repeat: no-repeat;
     background-position: right top;
-
+    background-attachment: fixed;
 }
 code{
 	display: inline-block;

web/src/main/resources/web/css/bloodshed.css

@@ -15,6 +15,7 @@ body {
     background-image: url('/umbrella100px.png');
     background-repeat: no-repeat;
     background-position: 98% 70px;
+    background-attachment: fixed;
 }
 
 fieldset {

web/src/main/resources/web/css/default.css

@@ -16,6 +16,7 @@ body {
     background-image: url('/umbrella100px.png');
     background-repeat: no-repeat;
     background-position: 98% 70px;
+    background-attachment: fixed;
 }
 
 fieldset {

web/src/main/resources/web/css/winter.css

@@ -16,6 +16,7 @@ body {
     background-image: url('/umbrella100px.png');
     background-repeat: no-repeat;
     background-position: 98% 70px;
+    background-attachment: fixed;
 }
 
 fieldset {