diff --git a/build.gradle b/build.gradle
index fed3e3894da..32744323702 100644
--- a/build.gradle
+++ b/build.gradle
@@ -94,7 +94,7 @@ dependencies {
     compile 'org.apache.pdfbox:fontbox:2.0.15'
     compile 'org.apache.pdfbox:xmpbox:2.0.15'
 
-    compile group: 'org.apache.tika', name: 'tika-core', version: '1.20'
+    compile group: 'org.apache.tika', name: 'tika-core', version: '1.21'
 
     // required for reading write-protected PDFs - see https://github.com/JabRef/jabref/pull/942#issuecomment-209252635
     compile 'org.bouncycastle:bcprov-jdk15on:1.61'
@@ -130,7 +130,7 @@ dependencies {
     compile 'de.saxsys:mvvmfx:1.8.0'
     compile 'org.fxmisc.easybind:easybind:1.0.3'
     compile 'org.fxmisc.flowless:flowless:0.6.1'
-    compile 'org.fxmisc.richtext:richtextfx:0.10.0'
+    compile 'org.fxmisc.richtext:richtextfx:0.10.1'
     compile 'com.sibvisions.external.jvxfx:dndtabpane:0.1'
     compile 'javax.inject:javax.inject:1'
     compile 'com.jfoenix:jfoenix:8.0.8'
diff --git a/src/main/java/org/jabref/gui/Base.css b/src/main/java/org/jabref/gui/Base.css
index 642fe8dcf88..2db5a049c00 100644
--- a/src/main/java/org/jabref/gui/Base.css
+++ b/src/main/java/org/jabref/gui/Base.css
@@ -1032,3 +1032,7 @@ We want to have a look that matches our icons in the tool-bar */
     -fx-font-size: 1.5em;
     -fx-padding: 1em 0em 1em 0em;
 }
+
+.dialog-pane {
+    -fx-background-color: -fx-control-inner-background;
+}
diff --git a/src/main/java/org/jabref/gui/help/AboutDialog.css b/src/main/java/org/jabref/gui/help/AboutDialog.css
index 8406e6c9ddf..9793ab8df1e 100644
--- a/src/main/java/org/jabref/gui/help/AboutDialog.css
+++ b/src/main/java/org/jabref/gui/help/AboutDialog.css
@@ -1,9 +1,10 @@
 .about-heading {
     -fx-font-size: 30;
+    -fx-text-fill: -jr-theme;
 }
 
 .about-heading:pressed {
-	-fx-text-fill: -fx-focus-color;
+    -fx-text-fill: -jr-selected;
 }
 
 .top-padding {
@@ -33,7 +34,7 @@
 }
 
 .info-sections {
-	-fx-padding: 5px;
+    -fx-padding: 5px;
 }
 
 .logo-pane {
diff --git a/src/main/java/org/jabref/gui/preferences/ExternalTab.java b/src/main/java/org/jabref/gui/preferences/ExternalTab.java
index 08094d037f5..afb52861d68 100644
--- a/src/main/java/org/jabref/gui/preferences/ExternalTab.java
+++ b/src/main/java/org/jabref/gui/preferences/ExternalTab.java
@@ -19,7 +19,6 @@
 import org.jabref.gui.push.PushToApplication;
 import org.jabref.gui.push.PushToApplicationSettings;
 import org.jabref.gui.push.PushToApplicationSettingsDialog;
-import org.jabref.gui.push.PushToApplicationsManager;
 import org.jabref.gui.util.FileDialogConfiguration;
 import org.jabref.logic.l10n.Localization;
 import org.jabref.logic.util.OS;
@@ -28,6 +27,7 @@
 
 class ExternalTab implements PrefsTab {
 
+    private final JabRefFrame frame;
     private final JabRefPreferences prefs;
     private final TextField emailSubject;
     private final TextField citeCommand;
@@ -54,6 +54,7 @@ class ExternalTab implements PrefsTab {
 
     public ExternalTab(JabRefFrame frame, PreferencesDialog prefsDiag, JabRefPreferences prefs) {
         this.prefs = prefs;
+        this.frame = frame;
         dialogService = frame.getDialogService();
         builder.setVgap(7);
 
@@ -197,7 +198,7 @@ public Node getBuilder() {
     }
 
     private void addSettingsButton(final PushToApplication application, GridPane panel, int index) {
-        PushToApplicationSettings settings = PushToApplicationsManager.getSettings(application);
+        PushToApplicationSettings settings = frame.getPushApplications().getSettings(application);
         Button button = new Button(Localization.lang("Settings for %0", application.getApplicationName()));
         button.setPrefSize(150, 20);
         button.setOnAction(e -> PushToApplicationSettingsDialog.showSettingsDialog(dialogService, settings, index));
diff --git a/src/main/java/org/jabref/gui/preferences/PreferencesDialog.css b/src/main/java/org/jabref/gui/preferences/PreferencesDialog.css
index d65cfddeed0..8933d9096a3 100644
--- a/src/main/java/org/jabref/gui/preferences/PreferencesDialog.css
+++ b/src/main/java/org/jabref/gui/preferences/PreferencesDialog.css
@@ -1,12 +1,12 @@
 #sideMenu {
-    -fx-background-color: -jr-white;
+    -fx-background-color: -fx-control-inner-background;
     -fx-border-color: -fx-outer-border;
     -fx-border-width: 1;
 }
 
 #sideMenu > .virtual-flow > .clipped-container > .sheet > .list-cell {
     -fx-padding: 8 8 8 8;
-    -fx-background: -jr-white;
+    -fx-background: -fx-control-inner-background;
 }
 
 .preferencePaneContainer {
diff --git a/src/main/java/org/jabref/gui/push/PushToApplicationSettings.java b/src/main/java/org/jabref/gui/push/PushToApplicationSettings.java
index d0818faf106..5bf9d5a75f7 100644
--- a/src/main/java/org/jabref/gui/push/PushToApplicationSettings.java
+++ b/src/main/java/org/jabref/gui/push/PushToApplicationSettings.java
@@ -19,6 +19,10 @@ public class PushToApplicationSettings {
     protected AbstractPushToApplication application;
     private DialogService dialogService;
 
+    public PushToApplicationSettings(DialogService dialogService) {
+        this.dialogService = dialogService;
+    }
+
     public GridPane getJFXSettingPane(int n) {
         switch (n) {
             case 0:
diff --git a/src/main/java/org/jabref/gui/push/PushToApplicationsManager.java b/src/main/java/org/jabref/gui/push/PushToApplicationsManager.java
index 32a13f1226b..e7bfaf78b3b 100644
--- a/src/main/java/org/jabref/gui/push/PushToApplicationsManager.java
+++ b/src/main/java/org/jabref/gui/push/PushToApplicationsManager.java
@@ -10,7 +10,10 @@ public class PushToApplicationsManager {
 
     private final List<PushToApplication> applications;
 
+    private final DialogService dialogService;
+
     public PushToApplicationsManager(DialogService dialogService) {
+        this.dialogService = dialogService;
         // Set up the current available choices:
         applications = new ArrayList<>();
         applications.add(new PushToEmacs(dialogService));
@@ -25,15 +28,15 @@ public List<PushToApplication> getApplications() {
         return applications;
     }
 
-    public static PushToApplicationSettings getSettings(PushToApplication application) {
+    public PushToApplicationSettings getSettings(PushToApplication application) {
         if (application instanceof PushToEmacs) {
-            return new PushToEmacsSettings();
+            return new PushToEmacsSettings(dialogService);
         } else if (application instanceof PushToLyx) {
-            return new PushToLyxSettings();
+            return new PushToLyxSettings(dialogService);
         } else if (application instanceof PushToVim) {
-            return new PushToVimSettings();
+            return new PushToVimSettings(dialogService);
         } else {
-            return new PushToApplicationSettings();
+            return new PushToApplicationSettings(dialogService);
         }
     }
 
diff --git a/src/main/java/org/jabref/gui/push/PushToEmacsSettings.java b/src/main/java/org/jabref/gui/push/PushToEmacsSettings.java
index ca4cee137ac..0147276b652 100644
--- a/src/main/java/org/jabref/gui/push/PushToEmacsSettings.java
+++ b/src/main/java/org/jabref/gui/push/PushToEmacsSettings.java
@@ -4,6 +4,7 @@
 import javafx.scene.control.TextField;
 
 import org.jabref.Globals;
+import org.jabref.gui.DialogService;
 import org.jabref.logic.l10n.Localization;
 import org.jabref.preferences.JabRefPreferences;
 
@@ -11,6 +12,8 @@ public class PushToEmacsSettings extends PushToApplicationSettings {
 
     private final TextField additionalParams = new TextField();
 
+    public PushToEmacsSettings (DialogService dialogService) { super(dialogService); }
+
     @Override
     public void storeSettings() {
         super.storeSettings();
diff --git a/src/main/java/org/jabref/gui/push/PushToLyxSettings.java b/src/main/java/org/jabref/gui/push/PushToLyxSettings.java
index 856f6fc86be..85fe05a97e4 100644
--- a/src/main/java/org/jabref/gui/push/PushToLyxSettings.java
+++ b/src/main/java/org/jabref/gui/push/PushToLyxSettings.java
@@ -1,11 +1,14 @@
 package org.jabref.gui.push;
 
 import org.jabref.Globals;
+import org.jabref.gui.DialogService;
 import org.jabref.logic.l10n.Localization;
 import org.jabref.preferences.JabRefPreferences;
 
 public class PushToLyxSettings extends PushToApplicationSettings {
 
+    public PushToLyxSettings (DialogService dialogService) { super(dialogService); }
+
     @Override
     protected void initJFXSettingsPanel() {
         super.initJFXSettingsPanel();
diff --git a/src/main/java/org/jabref/gui/push/PushToVimSettings.java b/src/main/java/org/jabref/gui/push/PushToVimSettings.java
index ce94973675d..70438ed9115 100644
--- a/src/main/java/org/jabref/gui/push/PushToVimSettings.java
+++ b/src/main/java/org/jabref/gui/push/PushToVimSettings.java
@@ -4,6 +4,7 @@
 import javafx.scene.control.TextField;
 
 import org.jabref.Globals;
+import org.jabref.gui.DialogService;
 import org.jabref.logic.l10n.Localization;
 import org.jabref.preferences.JabRefPreferences;
 
@@ -11,6 +12,8 @@ public class PushToVimSettings extends PushToApplicationSettings {
 
     private final TextField vimServer = new TextField();
 
+    public PushToVimSettings (DialogService dialogService) { super(dialogService); }
+
     @Override
     public void storeSettings() {
         super.storeSettings();