scrollbar improvement.

desktop/resources/ui/ui.atlas

@@ -38,7 +38,7 @@ button.pressed
   index: -1
 screenshot-image-button
   rotate: false
-  xy: 248, 34
+  xy: 292, 34
   size: 20, 20
   split: 8, 8, 8, 8
   orig: 20, 20
@@ -46,7 +46,7 @@ screenshot-image-button
   index: -1
 screenshot-image-button-active
   rotate: false
-  xy: 218, 4
+  xy: 270, 34
   size: 20, 20
   split: 8, 8, 8, 8
   orig: 20, 20
@@ -54,15 +54,15 @@ screenshot-image-button-active
   index: -1
 scroll-slider
   rotate: false
-  xy: 270, 34
-  size: 20, 20
-  split: 8, 8, 8, 8
-  orig: 20, 20
+  xy: 218, 6
+  size: 20, 48
+  split: 8, 8, 12, 12
+  orig: 20, 48
   offset: 0, 0
   index: -1
 slider
   rotate: false
-  xy: 292, 34
+  xy: 314, 34
   size: 20, 20
   split: 8, 8, 8, 8
   orig: 20, 20
@@ -70,14 +70,14 @@ slider
   index: -1
 slider-bar
   rotate: false
-  xy: 218, 26
+  xy: 240, 26
   size: 28, 28
   orig: 28, 28
   offset: 0, 0
   index: -1
 slider-bar-hover
   rotate: false
-  xy: 218, 26
+  xy: 240, 26
   size: 28, 28
   orig: 28, 28
   offset: 0, 0