diff --git a/gui.py b/gui.py
index 76c8e9f2..0c5bedb0 100644
--- a/gui.py
+++ b/gui.py
@@ -104,6 +104,8 @@ def __init__(self):
         self.central_widget = None
         self.config = Config()
         self.layout = QVBoxLayout()
+        self.layout.setContentsMargins(0, 0, 0, 0)
+        self.layout.setSpacing(0)
         self.init()
         self.create_table_labels()
         self.left_table, self.right_table = self.create_tables()