prevent tab flickering on page load

Author: hobbyquaker

addon_files/redmatic/www/settings.html

@@ -16,7 +16,7 @@
 
     <ul class="nav navbar-nav mr-auto d-flex flex-row mt-2" role="tablist" id="myTab">
         <li class="nav-item ml-3">
-            <a class="nav-link active pb-0" id="configuration-tab" data-toggle="tab" role="tab" aria-controls="configuration" aria-selected href="#configuration">Configuration</a>
+            <a class="nav-link pb-0" id="configuration-tab" data-toggle="tab" role="tab" aria-controls="configuration" aria-selected href="#configuration">Configuration</a>
         </li>
         <li class="nav-item ml-3">
             <a class="nav-link pb-0" id="packages-tab" data-toggle="tab" role="tab" aria-controls="packages" aria-selected href="#packages">Packages</a>
@@ -45,7 +45,7 @@
     </div>
 
     <div class="tab-content" id="myTabContent">
-        <div class="tab-pane fade show active" id="configuration" role="tabpanel" aria-labelledby="configuration-tab">
+        <div class="tab-pane fade show" id="configuration" role="tabpanel" aria-labelledby="configuration-tab">
             <div class="card mb-4">
                 <div class="card-body">
                     <a id="link-red" role="button" class="btn btn-sm btn-outline-info" target="_blank" href="/addons/red/"><i class="fa fa-external-link-alt"></i> Node-RED</a>