diff --git a/public/index.html b/public/index.html
index fde89ac..56a9a04 100644
--- a/public/index.html
+++ b/public/index.html
@@ -52,13 +52,13 @@
 </div>
 
 <div id="tab-content">
-    <div class="" data-content-id="1">
+    <div class="is-active" data-content-id="1">
         <p>Here you can check how many rats could fit in your cage.</p>
     </div>
     <div class="" data-content-id="2">
         <p>Here is a list of cages you can get.</p>
     </div>
-    <div class="is-active" data-content-id="3">
+    <div class="" data-content-id="3">
         <div class="card" id="container-cages">
             <div class="card-content" id="card-ManualMeasurements">
                 <h2 class="title is-4"><label data-i18n-key="cage-measurements"