Mission statement, extendable

• Mission statement in extendable headline

_includes/frontpage/title-content.html

 <div>
-    <h1>Federated IT for Science</h1>
-    <p>HIFIS ensures an excellent information environment for outstanding research in all Helmholtz research fields.</p>
+    <h1>Helmholtz IT for Science</h1>
+    <p>
+    <details>
+     <summary>
+        HIFIS builds and sustains an excellent IT infrastructure connecting all Helmholtz research fields and centres. </summary>
+     <div>
+        This includes a secure and easy-to-use collaborative environment with efficiently accessible IT services from anywhere. 
+        HIFIS further supports Research Software Engineering (RSE) with a high level of quality, visibility and sustainability. 
+     </div>
+    </details>
+    </p>
 </div>
 <div class="services-box">
     <div class="services-title-buttons">