Optimized embedded tutorial for mobile

Change-Id: I0b345c75cbd68bd1f1205a313ddbb7ecd94b58c3
diff --git a/templates/doc/api/koralquery.html.ep b/templates/doc/api/koralquery.html.ep
index d29bc94..9d7640f 100644
--- a/templates/doc/api/koralquery.html.ep
+++ b/templates/doc/api/koralquery.html.ep
@@ -1,6 +1,6 @@
 % layout 'main', title => 'KorAP: KoralQuery';
 
-<h2>KoralQuery</h2>
+<h2 id="tutorial-top">KoralQuery</h2>
 
 <p><strong>Main developer:</strong> Nils Diewald, Joachim Bingel</p>
 
diff --git a/templates/doc/api/match.html.ep b/templates/doc/api/match.html.ep
index 5de2210..5cd21b4 100644
--- a/templates/doc/api/match.html.ep
+++ b/templates/doc/api/match.html.ep
@@ -1,5 +1,5 @@
 % layout 'main', title => 'KorAP: Match API';
 
-<h2>Match API</h2>
+<h2 id="tutorial-top">Match API</h2>
 
 %= doc_uc
diff --git a/templates/doc/api/search.html.ep b/templates/doc/api/search.html.ep
index 5fc864d..6a83ce6 100644
--- a/templates/doc/api/search.html.ep
+++ b/templates/doc/api/search.html.ep
@@ -1,5 +1,5 @@
 % layout 'main', title => 'KorAP: Search API';
 
-<h2>Search API</h2>
+<h2 id="tutorial-top">Search API</h2>
 
 %= doc_uc
diff --git a/templates/doc/api/user.html.ep b/templates/doc/api/user.html.ep
index 12fa82e..0967a6d 100644
--- a/templates/doc/api/user.html.ep
+++ b/templates/doc/api/user.html.ep
@@ -1,5 +1,5 @@
 % layout 'main', title => 'KorAP: User API';
 
-<h2>User API</h2>
+<h2 id="tutorial-top">User API</h2>
 
 %= doc_uc