last-7 days to homepage, using flex instead of grid for graph page for better mobile comp

frontend/nginx/css/style.css

@@ -284,9 +284,7 @@ a {
 }
 
 .graph3 {
-    display: grid;
-    grid-template-columns: 33% 33% 33%;
-    grid-column-gap: 10px;
+    display: flex;
 }
 
 .graph_item img {
@@ -379,6 +377,6 @@ a {
         display: block;
     }
     .graph3 {
-        grid-template-columns: 100%;
+        flex-direction: column-reverse;
     }
 }

frontend/nginx/index.php

@@ -107,6 +107,12 @@
                     <img src="/dyn/current.png" alt="current">
                 </a>
             </div>
+            <div class="graph_item">
+                <h3>Last 7 days</h3>
+                <a href="/dyn/last-7.png" data-lightbox="graph">
+                    <img src="/dyn/last-7.png" alt="last-7 days">
+                </a>
+            </div>
         </div>
     </div>
     <?php include($_SERVER['DOCUMENT_ROOT'] . '/incl/footer.html'); ?>