diff --git a/resources/ui/carla_host.ui b/resources/ui/carla_host.ui
index 8d187c682..59f930d72 100644
--- a/resources/ui/carla_host.ui
+++ b/resources/ui/carla_host.ui
@@ -56,61 +56,94 @@
          <number>1</number>
         </property>
         <item>
-         <widget class="QLabel" name="pad_left">
-          <property name="minimumSize">
-           <size>
-            <width>25</width>
-            <height>0</height>
-           </size>
+         <widget class="QFrame" name="frame">
+          <property name="frameShape">
+           <enum>QFrame::StyledPanel</enum>
           </property>
-          <property name="maximumSize">
-           <size>
-            <width>25</width>
-            <height>16777215</height>
-           </size>
-          </property>
-          <property name="text">
-           <string/>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="RackListWidget" name="listWidget">
-          <property name="contextMenuPolicy">
-           <enum>Qt::CustomContextMenu</enum>
-          </property>
-          <property name="verticalScrollBarPolicy">
-           <enum>Qt::ScrollBarAlwaysOff</enum>
-          </property>
-          <property name="horizontalScrollBarPolicy">
-           <enum>Qt::ScrollBarAlwaysOff</enum>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QLabel" name="pad_right">
-          <property name="minimumSize">
-           <size>
-            <width>25</width>
-            <height>0</height>
-           </size>
-          </property>
-          <property name="maximumSize">
-           <size>
-            <width>25</width>
-            <height>16777215</height>
-           </size>
-          </property>
-          <property name="text">
-           <string/>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QScrollBar" name="rackScrollBar">
-          <property name="orientation">
-           <enum>Qt::Vertical</enum>
+          <property name="frameShadow">
+           <enum>QFrame::Sunken</enum>
           </property>
+          <layout class="QHBoxLayout" name="horizontalLayout_10">
+           <property name="spacing">
+            <number>0</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="QLabel" name="pad_left">
+             <property name="minimumSize">
+              <size>
+               <width>25</width>
+               <height>0</height>
+              </size>
+             </property>
+             <property name="maximumSize">
+              <size>
+               <width>25</width>
+               <height>16777215</height>
+              </size>
+             </property>
+             <property name="text">
+              <string/>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="RackListWidget" name="listWidget">
+             <property name="contextMenuPolicy">
+              <enum>Qt::CustomContextMenu</enum>
+             </property>
+             <property name="frameShape">
+              <enum>QFrame::NoFrame</enum>
+             </property>
+             <property name="frameShadow">
+              <enum>QFrame::Sunken</enum>
+             </property>
+             <property name="verticalScrollBarPolicy">
+              <enum>Qt::ScrollBarAlwaysOff</enum>
+             </property>
+             <property name="horizontalScrollBarPolicy">
+              <enum>Qt::ScrollBarAlwaysOff</enum>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QLabel" name="pad_right">
+             <property name="minimumSize">
+              <size>
+               <width>25</width>
+               <height>0</height>
+              </size>
+             </property>
+             <property name="maximumSize">
+              <size>
+               <width>25</width>
+               <height>16777215</height>
+              </size>
+             </property>
+             <property name="text">
+              <string/>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QScrollBar" name="rackScrollBar">
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+            </widget>
+           </item>
+          </layout>
          </widget>
         </item>
        </layout>