Исправил тень в заголовке

source/ubl-settings-bootloader.cc

@@ -1249,7 +1249,6 @@ void MainWindow::add_CSS() {
     Glib::RefPtr<Gtk::StyleContext> styleContext = Gtk::StyleContext::create();
     Glib::RefPtr<Gdk::Screen> screen = Gdk::Screen::get_default();//get default screen
     styleContext->add_provider_for_screen(screen, cssProvider, GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);//add provider for screen in all application
-    Glib::RefPtr<Gtk::StyleContext> lblInfoHead_css = lblInfoHead->get_style_context();
     Glib::RefPtr<Gtk::StyleContext> boxButton_css = boxButton->get_style_context();
     Glib::RefPtr<Gtk::StyleContext> boxSave_css = boxSave->get_style_context();
     boxInfo = boxInfoError->get_style_context();
@@ -1258,7 +1257,6 @@ void MainWindow::add_CSS() {
         boxButton_css->add_class("bkim_no_plug");
         boxSave_css->add_class("bkim_no_plug");
     }
-    lblInfoHead_css->add_class("textHead");
 }
 
 void help() {

ubl-settings-bootloader.css

@@ -11,9 +11,6 @@
 .bannerbackground {
   background-color: #404040;
 }
-.textHead{
-  text-shadow: 1px 1px #ffffff;
-}
 .view_app {
   background-color: @theme_bg_color;
 }

ubl-settings-bootloader.glade

@@ -2,6 +2,7 @@
 <!-- Generated with glade 3.38.2 -->
 <interface>
   <requires lib="gtk+" version="3.24"/>
+  <!-- interface-css-provider-path ubl-settings-bootloader.css -->
   <object class="GtkSizeGroup">
     <property name="mode">both</property>
     <property name="ignore-hidden">True</property>
@@ -113,10 +114,12 @@
         <property name="label" translatable="yes">Running applications as a user with a
 specified priority</property>
         <attributes>
-          <attribute name="font-desc" value="URW Gothic Semi-Bold 10"/>
-          <attribute name="foreground" value="#000023233232"/>
+          <attribute name="weight" value="bold"/>
           <attribute name="size" value="15360"/>
         </attributes>
+        <style>
+          <class name="textHead"/>
+        </style>
       </object>
       <packing>
         <property name="expand">True</property>