Properly fix monospace fonts for code editor window.

This closes #7

app/view/add/Add.js

@@ -243,7 +243,7 @@ Ext.define('Rambox.view.add.Add',{
 								,value: me.edit ? me.record.get('js_unread') : ''
 								,anchor: '100%'
 								,height: 120
-								,style: 'font-family: Consolas, "Lucida Console", Monaco, monospace'
+								,fieldStyle: 'font-family: Consolas, Lucida Console, Monaco, monospace !important;'
 							},
 							{
 								xtype: 'checkbox'
@@ -261,7 +261,7 @@ Ext.define('Rambox.view.add.Add',{
 								,value: me.edit ? me.record.get('custom_css') : ''
 								,anchor: '100%'
 								,height: 120
-								,style: 'font-family: Consolas, "Lucida Console", Monaco, monospace'	
+								,fieldStyle: 'font-family: Consolas, Lucida Console, Monaco, monospace !important;'
 							}
 						]
 					}