Changed the code typograohy

css/amber.css

@@ -225,17 +225,17 @@ body.jtalkBody {
 .jtalkTool textarea,
 .jtalkTool input {
     border: 0 none;
-    font-family: Menlo, Helvetica, sans;
+    font-family:  "DejaVu Sans", Helvetica, sans;
     line-height: 1.3em;
-    font-size: 12px;
+    font-size: 11px;
     position: relative;
     padding: 0;
 }
 
 .jtalkTool .CodeMirror {
     border: 0 none;
-    font-family: Menlo, Helvetica, sans;
-    font-size: 12px;
+    font-family:  "DejaVu Sans", Helvetica, sans;
+    font-size: 11px;
     line-height: 1.3em;
     height: 100%;
     background: white;
@@ -246,7 +246,7 @@ body.jtalkBody {
 }
 
 .talkTool .CodeMirror-scroll pre {
-    font-family: Menlo, Helvetica, sans;
+    font-family: Menlo, "DejaVu Sans Mono","DejaVu Sans", Helvetica, sans;
 }
 
 .jtalkTool .jt_clear {