Update templates/index.html

templates/index.html

@@ -23,12 +23,12 @@
             display: flex;
             justify-content: center;
             align-items: center;
-            height: 100px;
             position: fixed;
-            top: 50%;
-            left: 50%;
-            transform: translate(-50%, -50%);
-            background-image: url('/static/imagine_logo.gif');
+            top: 0;
+            left: 0;
+            right: 0;
+            height: 100px;
+            background-image: url('path/to/your/logo.gif');
             background-size: contain;
             background-repeat: no-repeat;
         }