Update app.py

app.py

@@ -41,9 +41,7 @@ STYLE = """
 	box-sizing: border-box;
     font-size: 10px;
 	width: 100%;
-    min-width: 2000px;
 	height: auto;
-	text-align: center;
 }
 .tree ul {
 	padding-top: 20px;