diff --git a/omega-web/src/less/common.less b/omega-web/src/less/common.less
index f2897df..bd67b16 100644
--- a/omega-web/src/less/common.less
+++ b/omega-web/src/less/common.less
@@ -78,3 +78,7 @@ a[role="button"] {
     cursor: pointer;
   }
 }
+
+.monospace {
+  font-family: Menlo,Monaco,Consolas,"Courier New",monospace !important;
+}
diff --git a/omega-web/src/partials/profile_fixed.jade b/omega-web/src/partials/profile_fixed.jade
index 1a9d040..3fdbc0f 100644
--- a/omega-web/src/partials/profile_fixed.jade
+++ b/omega-web/src/partials/profile_fixed.jade
@@ -46,4 +46,4 @@ div(ng-controller='FixedProfileCtrl')
     p.help-block
       a(href='https://developer.chrome.com/extensions/proxy#bypass_list' target='_blank')
         | {{'options_bypassListHelpLinkText' | tr}}
-    textarea.form-control.width-limit(rows='10' ng-model='bypassList' ng-model-options="{updateOn:'blur'}")
+    textarea.monospace.form-control.width-limit(rows='10' ng-model='bypassList' ng-model-options="{updateOn:'blur'}")
diff --git a/omega-web/src/partials/profile_pac.jade b/omega-web/src/partials/profile_pac.jade
index f9d053d..b4e2268 100644
--- a/omega-web/src/partials/profile_pac.jade
+++ b/omega-web/src/partials/profile_pac.jade
@@ -14,5 +14,5 @@ section.settings-group
     button.btn.btn-default(ng-disabled='!profile.pacUrl' ng-click='updateProfile(profile.name)'
         ladda='updatingProfile[profile.name]' data-spinner-color="#000000")
       | #[span.glyphicon.glyphicon-download-alt] {{'options_downloadProfileNow' | tr}}
-  textarea.form-control.width-limit(ng-model='profile.pacScript' rows=20
+  textarea.monospace.form-control.width-limit(ng-model='profile.pacScript' rows=20
     ng-disabled='!!profile.pacUrl')
diff --git a/omega-web/src/partials/profile_rule_list.jade b/omega-web/src/partials/profile_rule_list.jade
index f42063f..1d895ce 100644
--- a/omega-web/src/partials/profile_rule_list.jade
+++ b/omega-web/src/partials/profile_rule_list.jade
@@ -27,6 +27,6 @@ div(ng-controller='RuleListProfileCtrl')
       button.btn.btn-default(ng-disabled='!profile.sourceUrl' ng-click='updateProfile(profile.name)'
           ladda='updatingProfile[profile.name]' data-spinner-color="#000000")
         | #[span.glyphicon.glyphicon-download-alt] {{'options_downloadProfileNow' | tr}}
-    textarea.form-control.width-limit(ng-model='profile.ruleList' rows=20
+    textarea.monospace.form-control.width-limit(ng-model='profile.ruleList' rows=20
       ng-disabled='!!profile.sourceUrl')
 
diff --git a/omega-web/src/partials/profile_switch.jade b/omega-web/src/partials/profile_switch.jade
index 45eb4d6..c9ebe29 100644
--- a/omega-web/src/partials/profile_switch.jade
+++ b/omega-web/src/partials/profile_switch.jade
@@ -123,5 +123,5 @@ div(ng-controller='SwitchProfileCtrl')
       button.btn.btn-default(ng-disabled='!attached.sourceUrl' ng-click='updateProfile(attached.name)'
           ladda='updatingProfile[attached.name]' data-spinner-color="#000000")
         | #[span.glyphicon.glyphicon-download-alt] {{'options_downloadProfileNow' | tr}}
-    textarea.form-control.width-limit(ng-model='attached.ruleList' rows=20
+    textarea.monospace.form-control.width-limit(ng-model='attached.ruleList' rows=20
       ng-disabled='!!attached.sourceUrl')