Update app.py

app.py

@@ -2497,12 +2497,27 @@ class PhotoRequirementsChecker:
                 • No selfies or full-length photos
             </p>
             <p style="margin: 15px 0 0 0; font-size: 13px; color: #666;">
-                For complete requirements and photo examples, visit:<br>
-                <a href="https://travel.state.gov/content/travel/en/us-visas/visa-information-resources/photos.html" 
-                   target="_blank" style="color: #0073aa;">
-                   U.S. Department of State - Photo Requirements
-                </a>
+            For complete requirements and photo examples, visit:<br>
+            <a href="https://travel.state.gov/content/travel/en/us-visas/visa-information-resources/photos.html"
+                target="_blank"
+                style="
+                    display: inline-block;
+                    margin-top: 10px;
+                    background: linear-gradient(135deg, #0073aa, #005f8d);
+                    color: white;
+                    text-decoration: none;
+                    padding: 10px 18px;
+                    border-radius: 8px;
+                    font-weight: 500;
+                    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
+                    transition: all 0.25s ease;
+                "
+                onmouseover="this.style.transform='translateY(-3px)'; this.style.boxShadow='0 8px 15px rgba(0,0,0,0.25)';"
+                onmouseout="this.style.transform='translateY(0)'; this.style.boxShadow='0 4px 10px rgba(0,0,0,0.15)';">
+                U.S. Department of State – Photo Requirements
+            </a>
             </p>
+
         </div>
         '''