Cosmetic Update (#753)

* UI changes

* New (header) style was missing on some pages

* Added/changed new localization strings

* Unify page titles / apply .title class everywhere

* Reduce spacing below page title

Co-authored-by: Bernd Bestel <bernd@berrnd.de>

views/quantityunitconversionform.blade.php

@@ -9,10 +9,15 @@
 @section('viewJsName', 'quantityunitconversionform')
 
 @section('content')
+<div class="row">
+	<div class="col">
+		<h2 class="title">@yield('title')</h2>
+		<hr>
+	</div>
+</div>
 <div class="row">
 	<div class="col-lg-6 col-xs-12">
-		<h1>@yield('title')</h1>
-		
+	
 		@if($product != null)
 		<h3 class="text-muted">{{ $__t('Override for product') }} <strong>{{ $product->name }}</strong></h3>
 		@else