Updated +- button before expanding Advanced settings

templates/index.html

@@ -146,7 +146,7 @@
               </div>
             </div>
             <br>
-            <h4><a class="btn-floating btn-large waves-effect waves-light inline" id="advanced-tree-expand"><i class="material-icons">add</i></a>  Advanced settings</h4>
+            <h4><a class="waves-effect waves-light inline" id="advanced-tree-expand"><i class="material-icons">add</i></a>  Advanced settings</h4>
             <div class="card" id="advanced-tree">
               <div class="card-content">
                 <div class="row">