Fix some anchors and links

Author: mwydmuch

_includes/home/about.html

@@ -4,7 +4,7 @@
             <div class="col-lg-12">
                 <p style="margin: 0">
                     The paritcipation in the Festival is <strong>free of charge</strong>.
-                    To register for specific events, please <strong>see the <a class="page-scroll" style="color: white;" href="{{ "#agenda" | relative_url }}">agenda</a> below</strong>.
+                    To register for specific events, please <strong>see the <a class="page-scroll" style="color: white;" href="#agenda">agenda</a> below</strong>.
                 </p>
             </div>
         </div>
@@ -32,7 +32,7 @@ <h3>Emerge yourself into new experiences!</h3>
                 <!-- <h3>Visit Exhibition and meet with community!</h3> -->
                 <p>
                     <!-- Attend the festival and experience the forms of art you have never seen before. -->
-                    Get inspired by the submitted artworks at our <a class="page-scroll" href="{{ "#exhibition" | relative_url }}">Exhibition</a>.
+                    Get inspired by the submitted artworks at our <a class="page-scroll" href="#exhibition">Exhibition</a>.
                     Meet artists behind the top works, 
                     and explore their vision of future of AI and our society.
                 </p>
@@ -58,7 +58,7 @@ <h3>Display all your creativity!</h3>
                 <h3>Embrace new possibilities!</h3>
                 <!-- <h3>Participate in talks and workshops!</h3> -->
                 <p>
-                    Attend <a class="page-scroll" href="{{ "#invited-speakers" | relative_url }}">talks and workshops</a> to learn 
+                    Attend <a class="page-scroll" href="#invited-speakers">talks and workshops</a> to learn 
                     about using AI in artistic process from world recognized invited speakers.
                     <!-- Attend talks and workshops to learn how others use AI in creative way. -->
                     <!-- Learn more about using AI in artistic process from world recognized invited speakers.

_includes/home/exhibition-artists.html

@@ -1,5 +1,5 @@
 <!-- Exhibition Artists Section -->
-<section id="{{ include.section-id }}" class="container content-section">
+<section id="exhibition" class="container content-section">
     <div class="row">
         <div class="col-lg-12">
             <h2>/ Exhibition </h2>