Increased size of code blocks in jenkins

Change-Id: I45a39135da012d171bca21fff95452519047b668
diff --git a/theme/mirantis.css b/theme/mirantis.css
index ed3036c..50eb6c6 100644
--- a/theme/mirantis.css
+++ b/theme/mirantis.css
@@ -16,3 +16,7 @@
 #jenkins-home-link img {
   display:none;
 }
+
+.pane-frame.editor.ace_editor{
+  height: 640px!important;
+}