Index: branches/5.3.x/core/install/upgrades.css
===================================================================
diff -u -N -r15584 -r15690
--- branches/5.3.x/core/install/upgrades.css	(.../upgrades.css)	(revision 15584)
+++ branches/5.3.x/core/install/upgrades.css	(.../upgrades.css)	(revision 15690)
@@ -821,12 +821,26 @@
 # ===== v 5.3.0-B1 =====
 Index: style_template.css
 ===================================================================
---- style_template.css	(revision 15437)
+--- style_template.css	(revision 15483)
 +++ style_template.css	(working copy)
-@@ -498,6 +498,18 @@
- 	background: #fff none;
+@@ -487,6 +487,11 @@
+ 	vertical-align: middle;
  }
- 
+
++.CodeMirror {
++	font-size: 13px;
++	border: 1px solid black;
++}
++
+ .label-cell-filler {
+ 	background: #DEE7F6 none;
+ }
+@@ -496,6 +501,18 @@
+ }
+ .control-cell-filler {
+ 	background: #fff none;
++}
++
 +.highlight-area, .code-highlight-area {
 +	border: 1px solid black;
 +	padding: 8px;
@@ -837,9 +851,7 @@
 +
 +.code-highlight-area {
 +	background-color: #F6F6F6;
-+}
-+
- .error {
- 	color: red;
  }
- 
\ No newline at end of file
+
+ .error {
+\ No newline at end of file