Update app.py

app.py

@@ -265,7 +265,7 @@ custom_css = """
         transform: scale(0.95);
     }
     #clear-history {
-        ackground-color: #e53e3e; /* Red */
+        background-color: #e53e3e; /* Red */
         color: black;
         border: none;
         border-radius: 8px;
@@ -274,7 +274,6 @@ custom_css = """
         cursor: pointer;
         transition: all 0.3s ease;
         margin-top: 10px;
-        box-shadow: 0 4px 6px rgba(229, 62, 62, 0.3);
     }
     #clear-history:hover {
         background-color: #f56565; /* Lighter red */