Resolve "Learning materials"

Review here

Closes #276 (closed) #236 (closed)

_includes/frontpage/title-content.html

 <div>
-    <h1>Helmholtz Digital Services for Science - Collaboration made easy.</h1>
+    <h1>
+        <span class="d-inline-block">Helmholtz Digital Services for Science -</span>
+        <span class="d-inline-block">Collaboration made easy.</span>
+    </h1>
+    
     <div class="services-box">
         <div class="services-title-buttons">
             <a href="https://cloud.helmholtz.de/services" class="btn btn-light btn-lg text-dark">