Update app.py

app.py

@@ -45,7 +45,8 @@ custom_css = """
     }
    
     #tool-header{
-        padding:20px 0px 20px 0px !important;
+        padding:0px 0px 0px 0px !important;
+        font-family: sans-serif;
     }
     #tool-header h1{
         display: flex;