diff --git a/designer/preferences.ui b/designer/preferences.ui
index bfe3424c5..7b4425214 100644
--- a/designer/preferences.ui
+++ b/designer/preferences.ui
@@ -30,6 +30,9 @@
        <property name="spacing">
         <number>12</number>
        </property>
+       <property name="margin">
+        <number>12</number>
+       </property>
        <item>
         <layout class="QHBoxLayout" name="horizontalLayout_2">
          <item>
@@ -91,6 +94,9 @@
        </item>
        <item>
         <layout class="QGridLayout" name="gridLayout_4">
+         <property name="spacing">
+          <number>12</number>
+         </property>
          <item row="0" column="0">
           <widget class="QLabel" name="label_23">
            <property name="text">
@@ -174,7 +180,7 @@
           <enum>Qt::Vertical</enum>
          </property>
          <property name="sizeType">
-          <enum>QSizePolicy::Preferred</enum>
+          <enum>QSizePolicy::Expanding</enum>
          </property>
          <property name="sizeHint" stdset="0">
           <size>
@@ -192,7 +198,10 @@
       </attribute>
       <layout class="QVBoxLayout" name="verticalLayout_4">
        <property name="spacing">
-        <number>10</number>
+        <number>12</number>
+       </property>
+       <property name="margin">
+        <number>12</number>
        </property>
        <item>
         <layout class="QHBoxLayout">
@@ -294,7 +303,10 @@
       </attribute>
       <layout class="QVBoxLayout" name="verticalLayout_3">
        <property name="spacing">
-        <number>10</number>
+        <number>12</number>
+       </property>
+       <property name="margin">
+        <number>12</number>
        </property>
        <item>
         <widget class="QLabel" name="label_9">