removed diff for demo

apps/templates/home/mountainbikel_index.html

@@ -72,14 +72,19 @@
               </div>
             </div>
             <div class="card-body" style="height:450px;">
-                        <div class="chart-area">
-                            <!-- <canvas id="chartBig1"></canvas> -->
-                            <div id="mochart"></div>
-                        </div>
-                    </div>
-                </div>
+              <div class="chart-area">
+                <div id="mochart"></div>
+              </div>
+              <div class="chart-area">
+                <div id="mochart"></div>
+              </div>
+              <div class="chart-area">
+                <div id="mochart"></div>
+              </div>
             </div>
+          </div>
         </div>
+      </div>
         <div class="row">
             <div class="col-lg-6 col-md-12">
                 <div class="card card-tasks">