diff --git a/src/MainWindow.ui b/src/MainWindow.ui
index 799b17fe..30017d3c 100644
--- a/src/MainWindow.ui
+++ b/src/MainWindow.ui
@@ -29,6 +29,21 @@
         <string>Database Structure</string>
        </attribute>
        <layout class="QVBoxLayout" name="verticalLayout">
+        <property name="spacing">
+         <number>4</number>
+        </property>
+        <property name="leftMargin">
+         <number>0</number>
+        </property>
+        <property name="topMargin">
+         <number>0</number>
+        </property>
+        <property name="rightMargin">
+         <number>0</number>
+        </property>
+        <property name="bottomMargin">
+         <number>0</number>
+        </property>
         <item>
          <widget class="QToolBar" name="dbToolbar">
           <property name="windowTitle">