Update app.py

app.py

@@ -72,6 +72,16 @@ css = """
     background-color: #131517;
 }
 
+button {
+  background: #102534;
+  border: 1px solid #0c538c;
+  outline: none;
+  border-radius: 5px;
+  padding: 10px 20px;
+  font-size: 16px;
+  color: #fff;
+}
+
 footer {
     visibility: hidden;
 }