diff --git a/gui/main_gui.ui b/gui/main_gui.ui
index defbf8a..64a48cb 100644
--- a/gui/main_gui.ui
+++ b/gui/main_gui.ui
@@ -35,7 +35,7 @@
       <x>10</x>
       <y>0</y>
       <width>401</width>
-      <height>171</height>
+      <height>176</height>
      </rect>
     </property>
     <layout class="QFormLayout" name="formLayout">
@@ -53,6 +53,11 @@
      </property>
      <item row="0" column="0">
       <widget class="QLabel" name="value_lab">
+       <property name="font">
+        <font>
+         <pointsize>11</pointsize>
+        </font>
+       </property>
        <property name="text">
         <string>Pension value</string>
        </property>
@@ -60,6 +65,11 @@
      </item>
      <item row="0" column="1">
       <widget class="QDoubleSpinBox" name="value_input">
+       <property name="font">
+        <font>
+         <pointsize>11</pointsize>
+        </font>
+       </property>
        <property name="frame">
         <bool>true</bool>
        </property>
@@ -82,6 +92,11 @@
      </item>
      <item row="1" column="0" colspan="2">
       <widget class="QLabel" name="mix_lab">
+       <property name="font">
+        <font>
+         <pointsize>10</pointsize>
+        </font>
+       </property>
        <property name="text">
         <string>Investment mix (funds 50% / shares 50%)</string>
        </property>
@@ -108,6 +123,11 @@
      </item>
      <item row="3" column="0">
       <widget class="QLabel" name="share_trades_lab">
+       <property name="font">
+        <font>
+         <pointsize>11</pointsize>
+        </font>
+       </property>
        <property name="text">
         <string>Annual share trades</string>
        </property>
@@ -115,6 +135,11 @@
      </item>
      <item row="4" column="0">
       <widget class="QLabel" name="fund_trades_lab">
+       <property name="font">
+        <font>
+         <pointsize>11</pointsize>
+        </font>
+       </property>
        <property name="text">
         <string>Annual fund trades</string>
        </property>
@@ -122,6 +147,11 @@
      </item>
      <item row="4" column="1">
       <widget class="QComboBox" name="fund_trades_combo">
+       <property name="font">
+        <font>
+         <pointsize>11</pointsize>
+        </font>
+       </property>
        <property name="editable">
         <bool>true</bool>
        </property>
@@ -132,6 +162,11 @@
        <property name="enabled">
         <bool>false</bool>
        </property>
+       <property name="font">
+        <font>
+         <pointsize>10</pointsize>
+        </font>
+       </property>
        <property name="text">
         <string>Calculate</string>
        </property>
@@ -139,6 +174,11 @@
      </item>
      <item row="3" column="1">
       <widget class="QComboBox" name="share_trades_combo">
+       <property name="font">
+        <font>
+         <pointsize>11</pointsize>
+        </font>
+       </property>
        <property name="editable">
         <bool>true</bool>
        </property>
@@ -151,6 +191,11 @@
    <property name="enabled">
     <bool>true</bool>
    </property>
+   <property name="font">
+    <font>
+     <pointsize>10</pointsize>
+    </font>
+   </property>
   </widget>
   <widget class="QMenuBar" name="menuBar">
    <property name="geometry">
@@ -161,7 +206,17 @@
      <height>33</height>
     </rect>
    </property>
+   <property name="font">
+    <font>
+     <pointsize>10</pointsize>
+    </font>
+   </property>
    <widget class="QMenu" name="menuPlatforms">
+    <property name="font">
+     <font>
+      <pointsize>10</pointsize>
+     </font>
+    </property>
     <property name="title">
      <string>File</string>
     </property>
@@ -173,6 +228,11 @@
    <property name="text">
     <string>Edit Platforms</string>
    </property>
+   <property name="font">
+    <font>
+     <pointsize>10</pointsize>
+    </font>
+   </property>
   </action>
  </widget>
  <tabstops>
diff --git a/gui/output_window.ui b/gui/output_window.ui
index c028924..baa549c 100644
--- a/gui/output_window.ui
+++ b/gui/output_window.ui
@@ -34,6 +34,11 @@
      <height>250</height>
     </rect>
    </property>
+   <property name="font">
+    <font>
+     <pointsize>11</pointsize>
+    </font>
+   </property>
   </widget>
   <widget class="QPushButton" name="res_ok_but">
    <property name="geometry">
@@ -44,6 +49,11 @@
      <height>24</height>
     </rect>
    </property>
+   <property name="font">
+    <font>
+     <pointsize>10</pointsize>
+    </font>
+   </property>
    <property name="text">
     <string>OK</string>
    </property>
@@ -57,6 +67,11 @@
      <height>24</height>
     </rect>
    </property>
+   <property name="font">
+    <font>
+     <pointsize>10</pointsize>
+    </font>
+   </property>
    <property name="text">
     <string>Save</string>
    </property>