Update app.py

app.py

@@ -14,11 +14,15 @@ def apply_custom_css():
         <style>
         .top-bar {
             display: flex;
+            flex-flow: row wrap;
             justify-content: space-between;
-            align-items: center;
+            align-items: baseline;
             padding: 1rem 0;
             background-color: #f0f2f6;
         }
+        .navigation li:last-of-type a {
+            border-bottom: none;
+        }
         .welcome-message {
             font-size: 1.2rem;
             font-weight: bold;