stats: adjust pagestyle a tiny bit

app/views/home/stats.html.erb

@@ -19,7 +19,7 @@
         <div class="col-md-6">
             <img class="stat-img fadeindownfast" src="https://monitor.tchncs.de/illuna-minetest/illuna-minetest/minetest_players-year.png" alt="" width="100%" />
         </div>
-    </div>
+    </div><br>
     <div class="col-md-6">
         <img class="stat-img fadeinleft" src="https://monitor.tchncs.de/illuna-minetest/illuna-minetest/minetest_technic_players-day.png" alt="" width="100%" /> 
     </div>
@@ -46,6 +46,7 @@
             <img class="stat-img fadeindownfast" src="https://monitor.tchncs.de/illuna-minetest/illuna-minetest/minetest_lw_players-year.png" alt="" width="100%" />
         </div>
     </div>
+    <hr>
     <div class="col-md-6" id="stat-col-sec">
         <img class="stat-img fadeinleft" src="https://monitor.tchncs.de/tchncs2/tchncs2/ping_-day.png" alt="" width="100%" />
     </div>