just made graph taller for now, might one day make it smaller or larger depending on whether we are comparing or not?

templates/index.html

@@ -152,7 +152,7 @@
       </div>
     </div>
     </form>
-    <div class="row mt-4 highcharts-dark" id="container" style="width:100%; height:400px;"></div>   
+    <div class="row mt-4 highcharts-dark" id="container" style="width:100%; height:800px;"></div>
     <script type="text/javascript">
         // make these global so we can also use them in the /save route (via modal)
         const savingsData = JSON.parse('{{ savings | tojson }}');