diff --git a/src/autocomplete.cc b/src/autocomplete.cc
index 50997e7..8d5b684 100644
--- a/src/autocomplete.cc
+++ b/src/autocomplete.cc
@@ -158,7 +158,7 @@ void Autocomplete::setup_dialog() {
       auto create_tooltip_buffer = [ this, tooltip = std::move(tooltip) ]() {
         auto tooltip_buffer = Gtk::TextBuffer::create(view->get_buffer()->get_tag_table());
   
-        tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), tooltip, "def:note");
+        tooltip_buffer->insert(tooltip_buffer->get_insert()->get_iter(), tooltip);
   
         return tooltip_buffer;
       };
diff --git a/src/notebook.cc b/src/notebook.cc
index 07197f1..f96d8dc 100644
--- a/src/notebook.cc
+++ b/src/notebook.cc
@@ -41,8 +41,6 @@ Notebook::TabLabel::TabLabel(const boost::filesystem::path &path, std::function<
 }
 
 Notebook::Notebook() : Gtk::Paned(), notebooks(2) {
-  Gsv::init();
-  
   for(auto &notebook: notebooks) {
     notebook.get_style_context()->add_class("juci_notebook");
     notebook.set_scrollable();
diff --git a/src/project.cc b/src/project.cc
index d27ecdc..508ffcd 100644
--- a/src/project.cc
+++ b/src/project.cc
@@ -615,7 +615,7 @@ void Project::LLDB::debug_show_variables() {
             value.replace(iter, next_char_iter, "?");
           }
           if(view)
-            tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), value.substr(0, value.size()-1), "def:note");
+            tooltip_buffer->insert(tooltip_buffer->get_insert()->get_iter(), value.substr(0, value.size()-1));
           else
             tooltip_buffer->insert(tooltip_buffer->get_insert()->get_iter(), value.substr(0, value.size()-1));
         }
diff --git a/src/source.cc b/src/source.cc
index fd717a9..7235076 100644
--- a/src/source.cc
+++ b/src/source.cc
@@ -18,26 +18,19 @@
 #include <regex>
 #include <limits>
 
-// TODO 2019: Remove workarounds when Debian stable and FreeBSD has newer glibmm packages
-#if GLIBMM_MAJOR_VERSION>2 || (GLIBMM_MAJOR_VERSION==2 && (GLIBMM_MINOR_VERSION>51 || (GLIBMM_MINOR_VERSION==51 && GLIBMM_MICRO_VERSION>=2)))
-using LanguageManager = Gsv::LanguageManager;
-using StyleSchemeManager = Gsv::StyleSchemeManager;
-#else
-class LanguageManager {
-public:
-  static Glib::RefPtr<Gsv::LanguageManager> get_default() {
-    static auto instance = Gsv::LanguageManager::create();
-    return instance;
-  }
-};
-class StyleSchemeManager {
-public:
-  static Glib::RefPtr<Gsv::StyleSchemeManager> get_default() {
-    static auto instance = Gsv::StyleSchemeManager::create();
-    return instance;
-  }
-};
-#endif
+Glib::RefPtr<Gsv::LanguageManager> Source::LanguageManager::get_default() {
+  static auto instance = Gsv::LanguageManager::create();
+  return instance;
+}
+Glib::RefPtr<Gsv::StyleSchemeManager> Source::StyleSchemeManager::get_default() {
+  static auto instance = Gsv::StyleSchemeManager::create();
+  static bool first = true;
+  if(first) {
+    instance->prepend_search_path((Config::get().home_juci_path/"styles").string());
+    first=false;
+  }
+  return instance;
+}
 
 Glib::RefPtr<Gsv::Language> Source::guess_language(const boost::filesystem::path &file_path) {
   auto language_manager=LanguageManager::get_default();
@@ -143,8 +136,6 @@ Source::View::View(const boost::filesystem::path &file_path, Glib::RefPtr<Gsv::L
   get_buffer()->create_tag("def:warning_underline");
   get_buffer()->create_tag("def:error");
   get_buffer()->create_tag("def:error_underline");
-  get_buffer()->create_tag("def:note_background");
-  get_buffer()->create_tag("def:note");
   
   auto mark_attr_debug_breakpoint=Gsv::MarkAttributes::create();
   Gdk::RGBA rgba;
@@ -418,23 +409,10 @@ void Source::View::configure() {
   SpellCheckView::configure();
   DiffView::configure();
   
-  auto style_scheme_manager=StyleSchemeManager::get_default();
-  static std::string juci_search_path=(Config::get().home_juci_path/"styles").string();
-  bool found_juci_search_path=false;
-  for(auto &search_path: style_scheme_manager->get_search_path()) {
-    if(search_path==juci_search_path) {
-      found_juci_search_path=true;
-      break;
-    }
-  }
-  if(!found_juci_search_path)
-    style_scheme_manager->prepend_search_path(juci_search_path);
   if(Config::get().source.style.size()>0) {
-    auto scheme = style_scheme_manager->get_scheme(Config::get().source.style);
+    auto scheme = StyleSchemeManager::get_default()->get_scheme(Config::get().source.style);
     if(scheme)
       get_source_buffer()->set_style_scheme(scheme);
-    else
-      Terminal::get().print("Error: Could not find gtksourceview style: "+Config::get().source.style+'\n', true);
   }
   
   set_draw_spaces(parse_show_whitespace_characters(Config::get().source.show_whitespace_characters));
@@ -492,17 +470,6 @@ void Source::View::configure() {
     diagnostic_tag_underline->set_property("underline-rgba", Gdk::RGBA(error_property));
   }
   //TODO: clear tag_class and param_spec?
-
-  //Add tooltip foreground and background
-  style = scheme->get_style("def:note");
-  auto note_tag=get_buffer()->get_tag_table()->lookup("def:note_background");
-  if(style->property_background_set()) {
-    note_tag->property_background()=style->property_background();
-  }
-  note_tag=get_buffer()->get_tag_table()->lookup("def:note");
-  if(style->property_foreground_set()) {
-    note_tag->property_foreground()=style->property_foreground();
-  }
   
   if(Config::get().menu.keys["source_show_completion"].empty()) {
     get_completion()->unblock_interactive();
@@ -1198,7 +1165,7 @@ void Source::View::add_diagnostic_tooltip(const Gtk::TextIter &start, const Gtk:
   auto create_tooltip_buffer=[this, spelling=std::move(spelling), error, severity_tag_name]() {
     auto tooltip_buffer=Gtk::TextBuffer::create(get_buffer()->get_tag_table());
     tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), error ? "Error" : "Warning", severity_tag_name);
-    tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), ":\n"+spelling, "def:note");
+    tooltip_buffer->insert(tooltip_buffer->get_insert()->get_iter(), ":\n"+spelling);
     return tooltip_buffer;
   };
   diagnostic_tooltips.emplace_back(create_tooltip_buffer, this, get_buffer()->create_mark(start), get_buffer()->create_mark(end));
diff --git a/src/source.h b/src/source.h
index 3053636..9e7b405 100644
--- a/src/source.h
+++ b/src/source.h
@@ -10,6 +10,17 @@
 #include <tuple>
 
 namespace Source {
+  /// Workaround for buggy Gsv::LanguageManager::get_default()
+  class LanguageManager {
+  public:
+    static Glib::RefPtr<Gsv::LanguageManager> get_default();
+  };
+  /// Workaround for buggy Gsv::StyleSchemeManager::get_default()
+  class StyleSchemeManager {
+  public:
+    static Glib::RefPtr<Gsv::StyleSchemeManager> get_default();
+  };
+  
   Glib::RefPtr<Gsv::Language> guess_language(const boost::filesystem::path &file_path);
   
   class Offset {
diff --git a/src/source_clang.cc b/src/source_clang.cc
index f258cd0..2faf6ee 100644
--- a/src/source_clang.cc
+++ b/src/source_clang.cc
@@ -373,10 +373,10 @@ void Source::ClangViewParse::show_type_tooltips(const Gdk::Rectangle &rectangle)
             auto end=get_buffer()->get_iter_at_line_index(token_offsets.second.line-1, token_offsets.second.index-1);
             auto create_tooltip_buffer=[this, &token, &start, &end]() {
               auto tooltip_buffer=Gtk::TextBuffer::create(get_buffer()->get_tag_table());
-              tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), "Type: "+token.get_cursor().get_type_description(), "def:note");
+              tooltip_buffer->insert(tooltip_buffer->get_insert()->get_iter(), "Type: "+token.get_cursor().get_type_description());
               auto brief_comment=token.get_cursor().get_brief_comments();
               if(brief_comment!="")
-                tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), "\n\n"+brief_comment, "def:note");
+                tooltip_buffer->insert(tooltip_buffer->get_insert()->get_iter(), "\n\n"+brief_comment);
   
 #ifdef JUCI_ENABLE_DEBUG
               if(Debug::LLDB::get().is_stopped()) {
@@ -421,7 +421,7 @@ void Source::ClangViewParse::show_type_tooltips(const Gdk::Rectangle &rectangle)
                       next_char_iter++;
                       debug_value.replace(iter, next_char_iter, "?");
                     }
-                    tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), "\n\n"+value_type+": "+debug_value.substr(pos+3, debug_value.size()-(pos+3)-1), "def:note");
+                    tooltip_buffer->insert(tooltip_buffer->get_insert()->get_iter(), "\n\n"+value_type+": "+debug_value.substr(pos+3, debug_value.size()-(pos+3)-1));
                   }
                 }
               }
diff --git a/src/source_language_protocol.cc b/src/source_language_protocol.cc
index 3fe9ee2..a309e18 100644
--- a/src/source_language_protocol.cc
+++ b/src/source_language_protocol.cc
@@ -963,7 +963,7 @@ void Source::LanguageProtocolView::show_type_tooltips(const Gdk::Rectangle &rect
           type_tooltips.clear();
           auto create_tooltip_buffer=[this, offset, content=std::move(content)]() {
             auto tooltip_buffer=Gtk::TextBuffer::create(get_buffer()->get_tag_table());
-            tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), content, "def:note");
+            tooltip_buffer->insert(tooltip_buffer->get_insert()->get_iter(), content);
             
 #ifdef JUCI_ENABLE_DEBUG
             if(language_id=="rust" && capabilities.definition) {
@@ -991,7 +991,7 @@ void Source::LanguageProtocolView::show_type_tooltips(const Gdk::Rectangle &rect
                       next_char_iter++;
                       debug_value.replace(iter, next_char_iter, "?");
                     }
-                    tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), "\n\n"+value_type+": "+debug_value.substr(pos+3, debug_value.size()-(pos+3)-1), "def:note");
+                    tooltip_buffer->insert(tooltip_buffer->get_insert()->get_iter(), "\n\n"+value_type+": "+debug_value.substr(pos+3, debug_value.size()-(pos+3)-1));
                   }
                 }
               }
diff --git a/src/tooltips.cc b/src/tooltips.cc
index e416cd7..7e61221 100644
--- a/src/tooltips.cc
+++ b/src/tooltips.cc
@@ -66,23 +66,24 @@ void Tooltip::show(bool disregard_drawn, const std::function<void()> &on_motion)
     if(visual)
       gtk_widget_set_visual(reinterpret_cast<GtkWidget*>(window->gobj()), visual->gobj());
 
-    auto box=Gtk::manage(new Gtk::Box());
+    auto box=Gtk::manage(new Gtk::Box(Gtk::Orientation::ORIENTATION_VERTICAL));
     box->get_style_context()->add_class("juci_tooltip_box");
     window->add(*box);
 
     text_buffer=create_tooltip_buffer();
     wrap_lines();
-    auto tooltip_text_view=Gtk::manage(new Gtk::TextView(text_buffer));
     
+    auto tooltip_text_view=Gtk::manage(new Gtk::TextView(text_buffer));
+    tooltip_text_view->get_style_context()->add_class("juci_tooltip_text_view");
     tooltip_text_view->set_editable(false);
-    if(text_view) {
-      auto tag=text_view->get_buffer()->get_tag_table()->lookup("def:note_background");
-      box->override_background_color(tag->property_background_rgba());
-      tooltip_text_view->override_background_color(tag->property_background_rgba());
-    }
-    else
-      box->override_background_color(tooltip_text_view->get_style_context()->get_background_color());
+    
+#if GTK_VERSION_GE(3, 20)
     box->add(*tooltip_text_view);
+#else
+    auto box2=Gtk::manage(new Gtk::Box());
+    box2->pack_start(*tooltip_text_view, true, true, 3);
+    box->pack_start(*box2, true, true, 3);
+#endif
 
     auto layout=Pango::Layout::create(tooltip_text_view->get_pango_context());
     layout->set_text(text_buffer->get_text());
diff --git a/src/window.cc b/src/window.cc
index c97d49b..f547170 100644
--- a/src/window.cc
+++ b/src/window.cc
@@ -12,6 +12,8 @@
 #include "terminal.h"
 
 Window::Window() {
+  Gsv::init();
+  
   set_title("juCi++");
   set_events(Gdk::POINTER_MOTION_MASK|Gdk::FOCUS_CHANGE_MASK|Gdk::SCROLL_MASK|Gdk::LEAVE_NOTIFY_MASK);
   
@@ -135,17 +137,43 @@ Window::Window() {
 
 void Window::configure() {
   Config::get().load();
-  auto screen = Gdk::Screen::get_default();
-  if(css_provider)
-    Gtk::StyleContext::remove_provider_for_screen(screen, css_provider);
+  auto screen = get_screen();
+  if(css_provider_theme)
+    Gtk::StyleContext::remove_provider_for_screen(screen, css_provider_theme);
   if(Config::get().window.theme_name.empty()) {
-    css_provider=Gtk::CssProvider::create();
+    css_provider_theme=Gtk::CssProvider::create();
     Gtk::Settings::get_default()->property_gtk_application_prefer_dark_theme()=(Config::get().window.theme_variant=="dark");
   }
   else
-    css_provider=Gtk::CssProvider::get_named(Config::get().window.theme_name, Config::get().window.theme_variant);
+    css_provider_theme=Gtk::CssProvider::get_named(Config::get().window.theme_name, Config::get().window.theme_variant);
   //TODO: add check if theme exists, or else write error to terminal
-  Gtk::StyleContext::add_provider_for_screen(screen, css_provider, GTK_STYLE_PROVIDER_PRIORITY_SETTINGS);
+  Gtk::StyleContext::add_provider_for_screen(screen, css_provider_theme, GTK_STYLE_PROVIDER_PRIORITY_SETTINGS);
+  
+  auto style_scheme_manager=Source::StyleSchemeManager::get_default();
+  if(css_provider_tooltips)
+    Gtk::StyleContext::remove_provider_for_screen(screen, css_provider_tooltips);
+  else
+    css_provider_tooltips=Gtk::CssProvider::create();
+  Glib::RefPtr<Gsv::Style> style;
+  if(Config::get().source.style.size()>0) {
+    auto scheme = style_scheme_manager->get_scheme(Config::get().source.style);
+    if(scheme)
+      style = scheme->get_style("def:note");
+    else {
+      Terminal::get().print("Error: Could not find gtksourceview style: "+Config::get().source.style+'\n', true);
+    }
+  }
+  auto foreground_value = style && style->property_foreground_set() ? style->property_foreground().get_value() : get_style_context()->get_color().to_string();
+  auto background_value = style && style->property_background_set() ? style->property_background().get_value() : get_style_context()->get_background_color().to_string();
+#if GTK_VERSION_GE(3, 20)
+  css_provider_tooltips->load_from_data(".juci_tooltip_box {background-color: "+background_value+";}"
+                                        ".juci_tooltip_text_view text {color: "+foreground_value+";background-color: "+background_value+";}");
+#else
+  css_provider_tooltips->load_from_data(".juci_tooltip_box {background-color: "+background_value+";}"
+                                        ".juci_tooltip_text_view *:not(:selected) {color: "+foreground_value+";background-color: "+background_value+";}");
+#endif
+  get_style_context()->add_provider_for_screen(screen, css_provider_tooltips, GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+  
   Menu::get().set_keys();
   Terminal::get().configure();
   Directories::get().update();
diff --git a/src/window.h b/src/window.h
index 24ff4c2..fa9b32d 100644
--- a/src/window.h
+++ b/src/window.h
@@ -21,7 +21,8 @@ protected:
 private:
   Gtk::AboutDialog about;
   
-  Glib::RefPtr<Gtk::CssProvider> css_provider;
+  Glib::RefPtr<Gtk::CssProvider> css_provider_theme;
+  Glib::RefPtr<Gtk::CssProvider> css_provider_tooltips;
 
   void configure();
   void set_menu_actions();
diff --git a/tests/source_test.cc b/tests/source_test.cc
index c15c5a8..c68581c 100644
--- a/tests/source_test.cc
+++ b/tests/source_test.cc
@@ -41,6 +41,16 @@ int main() {
   g_assert(boost::filesystem::remove(source_file));
   g_assert(!boost::filesystem::exists(source_file));
   
+  for(int c=0;c<2;++c) {
+    size_t found=0;
+    auto style_scheme_manager=Source::StyleSchemeManager::get_default();
+    for(auto &search_path: style_scheme_manager->get_search_path()) {
+      if(search_path=="styles") // found added style
+        ++found;
+    }
+    g_assert(found==1);
+  }
+  
   // replace_text tests
   {
     auto buffer=source_view.get_buffer();