diff --git a/application.css b/application.css
index 4922293..aeb652f 100644
--- a/application.css
+++ b/application.css
@@ -6,15 +6,40 @@
 
 .subtitle { text-decoration: underline; font-style: italic; }
 
-.code { font-family: monospace; font-size: 12px; }
+/* Define <code> to behave like "generic" quoted software input and output. */
+.code { background-color: #efefef; padding: 0.5em; border-width: 1pt;
+        border-style: solid; border-color: #c0c0c0; white-space: -moz-pre-wrap;
+        font-family: monospace; }
+
+/* bash shell command prompt input and output */
+.quote_terminal { background-color: #f0ece6; padding: 0.5em; border-width: 1pt;
+                  border-style: solid; border-color: #c0c0c0; white-space: -moz-pre-wrap;
+                  font-family: monospace; }
+
+/* graphical user interface input and output */
+.quote_window { background-color: #c0e0f0; padding: 0.5em; border-width: 1pt;
+                border-style: solid; border-color: #c0c0c0; white-space: -moz-pre-wrap;
+                font-family: monospace; }
+
+/*
+  Wine registry modification.
+  Modifying the registry is a somewhat common wine task,  and other How To's already
+  uniquely quote registry modifications, so here is a CSS to formalize this behavior.
+  In practice this tag is not necessary, since, like almost everything else, registry
+  edits are done either via a command prompt (regedit /C foo.reg (once implemented))
+  or via the regedit graphical user interface.
+*/
+.quote_registry { background-color: #c6ffc6; padding: 0.5em; border-width: 1pt;
+                  border-style: solid; border-color: #c0c0c0; white-space: -moz-pre-wrap;
+                  font-family: monospace; }
 
 p {
       font-family: "bitstream vera sans", "verdana", "arial", "helvetica", sans-serif;
       font-size: 12px;
-   }
+  }
 thead.historyHeader { font-weight: bold }
 
-table.historyTable { border: 1px; 
+table.historyTable { border: 1px;
                      font-family: "bitstream vera sans", "verdana", "arial", "helvetica", sans-serif;
                      font-size: 12px; }
 
@@ -35,4 +60,5 @@ tr.garbage          { background-color: #999966; }
 div.version_info_pane p { margin:0px; }
 div.info_container { margin:6px; border: 1px solid; }
 div.info_contents { padding:10px; background-color: #eee; }
-div.title_class { font-weight: bold; border-bottom: 1px solid; padding: 4px; font-size: 140%; background-color: #ddd; }
+div.title_class { font-weight: bold; border-bottom: 1px solid; padding: 4px;
+                  font-size: 140%; background-color: #ddd; }