Generate bg using SASS; Background now supports 4k screens. (double the width)

assets/css/extended/bg-code.sass

@@ -0,0 +1,65 @@
+// n is number of stars required
+@function multiple-box-shadow ($n) 
+  $value: '#{random(2000)}px #{random(2000)}px #ebebeb'
+  @for $i from 2 through $n
+    $value: '#{$value} , #{random(4000)}px #{random(2000)}px #ebebeb'
+
+  @return unquote($value)
+
+$shadows-small:  multiple-box-shadow(1400)
+$shadows-medium: multiple-box-shadow(400)
+$shadows-big:    multiple-box-shadow(200)
+    
+#stars
+  width: 1px
+  height: 1px
+  background: transparent
+  box-shadow: $shadows-small
+  animation: animStar 50s linear infinite
+    
+  &:after
+    content: " "
+    position: absolute
+    top: 2000px
+    width: 1px
+    height: 1px
+    background: transparent
+    box-shadow: $shadows-small
+    
+#stars2
+  width: 2px
+  height: 2px
+  background: transparent
+  box-shadow: $shadows-medium
+  animation: animStar 100s linear infinite
+    
+  &:after
+    content: " "
+    position: absolute
+    top: 2000px
+    width: 2px
+    height: 2px
+    background: transparent
+    box-shadow: $shadows-medium
+    
+#stars3
+  width: 3px
+  height: 3px
+  background: transparent
+  box-shadow: $shadows-big
+  animation: animStar 150s linear infinite
+    
+  &:after
+    content: " "
+    position: absolute
+    top: 2000px
+    width: 3px
+    height: 3px
+    background: transparent
+    box-shadow: $shadows-big
+    
+@keyframes animStar
+  from  
+    transform: translateY(0px)
+  to    
+    transform: translateY(-2000px)