Header buttons were brought to standard

ubl-settings-video.glade

@@ -2585,10 +2585,6 @@ translated and supported by community.</property>
           <object class="GtkImage">
             <property name="visible">True</property>
             <property name="can-focus">False</property>
-            <property name="margin-left">5</property>
-            <property name="margin-right">5</property>
-            <property name="margin-start">5</property>
-            <property name="margin-end">5</property>
             <property name="pixel-size">32</property>
             <property name="icon-name">com.ublinux.ubl-settings-video</property>
           </object>
@@ -2613,10 +2609,6 @@ translated and supported by community.</property>
                       <object class="GtkLabel" id="mainHeaderConfigLoadLabel">
                         <property name="visible">True</property>
                         <property name="can-focus">False</property>
-                        <property name="margin-left">5</property>
-                        <property name="margin-right">5</property>
-                        <property name="margin-start">5</property>
-                        <property name="margin-end">5</property>
                         <property name="label" translatable="yes">Load</property>
                       </object>
                       <packing>
@@ -2673,9 +2665,6 @@ translated and supported by community.</property>
                         <property name="visible">True</property>
                         <property name="can-focus">False</property>
                         <property name="margin-left">5</property>
-                        <property name="margin-right">5</property>
-                        <property name="margin-start">5</property>
-                        <property name="margin-end">5</property>
                         <property name="label" translatable="yes">Save</property>
                         <style>
                           <class name="toolbar"/>