Update app.py

app.py

@@ -141,6 +141,7 @@ custom_css = """
         font-size: 1.1rem;
         cursor: pointer;
         transition: all 0.3s ease;
+        margin-top: -180px;
     }
     #clear-history:hover {
         background-color: #f04e4e; /* Slightly darker red */