Index: branches/5.3.x/core/install/upgrades.css
===================================================================
diff -u -N -r15690 -r15914
--- branches/5.3.x/core/install/upgrades.css	(.../upgrades.css)	(revision 15690)
+++ branches/5.3.x/core/install/upgrades.css	(.../upgrades.css)	(revision 15914)
@@ -823,7 +823,7 @@
 ===================================================================
 --- style_template.css	(revision 15483)
 +++ style_template.css	(working copy)
-@@ -487,6 +487,11 @@
+@@ -487,6 +487,14 @@
  	vertical-align: middle;
  }
 
@@ -832,10 +832,13 @@
 +	border: 1px solid black;
 +}
 +
++.CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;}
++.CodeMirror-activeline-background {background: #e8f2ff !important;}
++
  .label-cell-filler {
  	background: #DEE7F6 none;
  }
-@@ -496,6 +501,18 @@
+@@ -496,6 +504,18 @@
  }
  .control-cell-filler {
  	background: #fff none;