Update app.py

app.py

@@ -125,7 +125,7 @@ body {
     position: relative;
 }
 button, .button {
-    background-color: #4caf50;  /* Modern green color */
+    background-color: #3498db;  /* Changed to a more mobile-friendly blue */
     color: white;
     border: none;
     padding: 0.5rem 1rem;
@@ -136,15 +136,17 @@ button, .button {
     line-height: 1.25rem;
 }
 button:hover, .button:hover {
-    background-color: #388e3c;  /* Darker green on hover */
+    background-color: #2980b9;  /* Darker blue on hover */
 }
 button.refresh-btn {
-    padding: 0.5rem;  /* Smaller padding for refresh button */
+    padding: 0.5rem;
     font-size: 1rem;
-    background-color: #2196f3;  /* Blue color for refresh button */
+    background-color: #2ecc71;  /* Changed to a more visible green */
+    width: auto;  /* Allow button to shrink */
+    max-width: 100%;  /* Ensure it doesn't overflow */
 }
 button.refresh-btn:hover {
-    background-color: #1976d2;  /* Darker blue on hover */
+    background-color: #27ae60;  /* Darker green on hover */
 }
 .no-papers {
     text-align: center;