Use tabs

aleksis/apps/alsijil/templates/alsijil/class_register/week_view.html

@@ -42,7 +42,13 @@
 
   {% if lesson_periods %}
     <div class="row">
-      <div class="col s12 l7">
+      <div class="col s12">
+        <ul class="tabs">
+          <li class="tab col s6"><a class="active" href="#week-overview">{% trans "Week overview" %}</a></li>
+          <li class="tab col s6"><a class="active" href="#personal-notes">{% trans "Personal notes" %}</a></li>
+        </ul>
+      </div>
+      <div class="col s12 l7" id="week-overview">
         {% regroup lesson_periods by period.get_weekday_display as periods_by_day %}
         {% for weekday, periods in periods_by_day %}
           <div class="card show-on-extra-large">
@@ -197,7 +203,7 @@
           </ul>
         {% endfor %}
       </div>
-      <div class="col s12 l5">
+      <div class="col s12 l5" id="personal-notes">
         <div class="card">
           <div class="card-content">
             <span class="card-title">