diff --git a/core.py b/core.py
index 92b0d0e..92d5421 100644
--- a/core.py
+++ b/core.py
@@ -60,7 +60,7 @@ class Core():
     self._image1 = QtGui.QImage(self._image)
     painter = QPainter(self._image1)
     font = titleFont
-    font.setPointSizeF(fontSize)
+    font.setPixelSize(fontSize)
     painter.setFont(font)
     painter.setPen(QColor(255, 255, 255))
 
diff --git a/main.py b/main.py
index 0e55196..163ec3b 100644
--- a/main.py
+++ b/main.py
@@ -278,6 +278,13 @@ else:
   if __name__ == "__main__":
     app = QtGui.QApplication(sys.argv)
     window = uic.loadUi("main.ui")
+    # window.adjustSize()
+    desc = QtGui.QDesktopWidget()
+    dpi = desc.physicalDpiX()
+    topMargin = 0 if (dpi == 96) else int(10 * (dpi / 96))
+
+    window.resize(window.width() * (dpi / 96), window.height() * (dpi / 96))
+    window.verticalLayout_2.setContentsMargins(0, topMargin, 0, 0)
   
     main = Main(window)
 
diff --git a/main.ui b/main.ui
index c500905..f18df44 100644
--- a/main.ui
+++ b/main.ui
@@ -7,18 +7,42 @@
     <x>0</x>
     <y>0</y>
     <width>635</width>
-    <height>610</height>
+    <height>600</height>
    </rect>
   </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>635</width>
+    <height>600</height>
+   </size>
+  </property>
   <property name="windowTitle">
    <string>MainWindow</string>
   </property>
   <widget class="QWidget" name="centralwidget">
+   <property name="sizePolicy">
+    <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+     <horstretch>0</horstretch>
+     <verstretch>0</verstretch>
+    </sizepolicy>
+   </property>
    <layout class="QVBoxLayout" name="verticalLayout_3">
     <item>
      <layout class="QVBoxLayout" name="verticalLayout">
       <item>
        <widget class="QGroupBox" name="groupBox_settings">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
         <property name="minimumSize">
          <size>
           <width>0</width>
@@ -28,7 +52,7 @@
         <property name="maximumSize">
          <size>
           <width>16777215</width>
-          <height>200</height>
+          <height>16777215</height>
          </size>
         </property>
         <property name="title">
@@ -41,6 +65,12 @@
             <layout class="QHBoxLayout" name="horizontalLayout">
              <item>
               <widget class="QPushButton" name="pushButton_selectInput">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+                 <horstretch>1</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
                <property name="minimumSize">
                 <size>
                  <width>200</width>
@@ -49,7 +79,7 @@
                </property>
                <property name="maximumSize">
                 <size>
-                 <width>200</width>
+                 <width>16777215</width>
                  <height>16777215</height>
                 </size>
                </property>
@@ -60,6 +90,12 @@
              </item>
              <item>
               <widget class="QLabel" name="label_input">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+                 <horstretch>2</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
                <property name="frameShape">
                 <enum>QFrame::Box</enum>
                </property>
@@ -74,6 +110,12 @@
             <layout class="QHBoxLayout" name="horizontalLayout_2">
              <item>
               <widget class="QPushButton" name="pushButton_selectOutput">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+                 <horstretch>1</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
                <property name="minimumSize">
                 <size>
                  <width>200</width>
@@ -82,7 +124,7 @@
                </property>
                <property name="maximumSize">
                 <size>
-                 <width>200</width>
+                 <width>16777215</width>
                  <height>16777215</height>
                 </size>
                </property>
@@ -93,6 +135,12 @@
              </item>
              <item>
               <widget class="QLabel" name="label_output">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+                 <horstretch>2</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
                <property name="frameShape">
                 <enum>QFrame::Box</enum>
                </property>
@@ -107,6 +155,12 @@
             <layout class="QHBoxLayout" name="horizontalLayout_4">
              <item>
               <widget class="QPushButton" name="pushButton_selectBackground">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+                 <horstretch>1</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
                <property name="minimumSize">
                 <size>
                  <width>200</width>
@@ -115,7 +169,7 @@
                </property>
                <property name="maximumSize">
                 <size>
-                 <width>200</width>
+                 <width>16777215</width>
                  <height>16777215</height>
                 </size>
                </property>
@@ -126,6 +180,12 @@
              </item>
              <item>
               <widget class="QLabel" name="label_background">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+                 <horstretch>2</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
                <property name="frameShape">
                 <enum>QFrame::Box</enum>
                </property>
@@ -315,6 +375,12 @@
       </item>
       <item>
        <widget class="QGroupBox" name="groupBox_preview">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
         <property name="minimumSize">
          <size>
           <width>0</width>
@@ -368,10 +434,16 @@
       </item>
       <item>
        <widget class="QGroupBox" name="groupBox_create">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
         <property name="maximumSize">
          <size>
           <width>16777215</width>
-          <height>100</height>
+          <height>16777215</height>
          </size>
         </property>
         <property name="title">
@@ -385,16 +457,22 @@
              <property name="value">
               <number>24</number>
              </property>
+             <property name="alignment">
+              <set>Qt::AlignCenter</set>
+             </property>
              <property name="textVisible">
               <bool>true</bool>
              </property>
-             <property name="alignment">
-                <enum>Qt::AlignCenter</enum>
-             </property>
             </widget>
            </item>
            <item>
             <widget class="QPushButton" name="pushButton_createVideo">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
              <property name="text">
               <string>PushButton</string>
              </property>
@@ -405,6 +483,19 @@
         </layout>
        </widget>
       </item>
+      <item>
+       <spacer name="verticalSpacer">
+        <property name="orientation">
+         <enum>Qt::Vertical</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>20</width>
+          <height>0</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
      </layout>
     </item>
    </layout>