diff --git a/rare/components/tabs/settings/widgets/env_vars.py b/rare/components/tabs/settings/widgets/env_vars.py
index c5cb9cd5..00e68833 100644
--- a/rare/components/tabs/settings/widgets/env_vars.py
+++ b/rare/components/tabs/settings/widgets/env_vars.py
@@ -1,7 +1,8 @@
 from logging import getLogger
 
 from PyQt5.QtCore import Qt, QFileSystemWatcher
-from PyQt5.QtWidgets import QGroupBox, QTableWidgetItem, QMessageBox, QPushButton
+from PyQt5.QtGui import QFont
+from PyQt5.QtWidgets import QGroupBox, QTableWidgetItem, QMessageBox, QPushButton, QHeaderView, QFrame
 
 from rare.shared import LegendaryCoreSingleton
 from rare.ui.components.tabs.settings.widgets.env_vars import Ui_EnvVars
@@ -18,7 +19,13 @@ class EnvVars(QGroupBox, Ui_EnvVars):
         self.app_name = None
         self.core = LegendaryCoreSingleton()
         self.latest_item = None
-        self.list_of_readonly = ["STEAM_COMPAT_DATA_PATH", "DXVK_HUD", "WINEPREFIX", "STEAM_COMPAT_CLIENT_INSTALL_PATH"]
+        self.list_of_readonly = [
+            "STEAM_COMPAT_DATA_PATH",
+            "STEAM_COMPAT_CLIENT_INSTALL_PATH",
+            "WINEPREFIX",
+            "DXVK_HUD",
+            "MANGOHUD_CONFIG",
+        ]
         self.warn_msg = self.tr("Readonly, please edit this via the appropriate setting above.")
         self.setup_file_watcher()
         self.env_vars_table.cellChanged.connect(self.update_env_vars)
@@ -74,11 +81,16 @@ class EnvVars(QGroupBox, Ui_EnvVars):
             trash_icon.setIcon(icon("mdi.delete", "ei.minus"))
             self.env_vars_table.setVerticalHeaderItem(i, trash_icon)
 
+            font = QFont("Monospace")
+            font.setStyleHint(QFont.Monospace)
+
             key_item = QTableWidgetItem()
             key_item.setText(key)
+            key_item.setFont(font)
             self.env_vars_table.setItem(i, 0, key_item)
 
             value_item = QTableWidgetItem()
+            value_item.setFont(font)
             value_item.setText(value)
             self.env_vars_table.setItem(i, 1, value_item)
             if key in self.list_of_readonly:
@@ -91,6 +103,7 @@ class EnvVars(QGroupBox, Ui_EnvVars):
         trash_icon = QTableWidgetItem()
         trash_icon.setIcon(icon("mdi.delete", "ei.minus"))
         self.env_vars_table.setVerticalHeaderItem(self.env_vars_table.rowCount() - 1, trash_icon)
+        self.env_vars_table.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents)
 
         self.env_vars_table.blockSignals(False)
 
diff --git a/rare/ui/components/tabs/settings/widgets/env_vars.py b/rare/ui/components/tabs/settings/widgets/env_vars.py
index c9f387b9..a0a08312 100644
--- a/rare/ui/components/tabs/settings/widgets/env_vars.py
+++ b/rare/ui/components/tabs/settings/widgets/env_vars.py
@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'rare/ui/components/tabs/settings/widgets/env_vars.ui'
 #
-# Created by: PyQt5 UI code generator 5.15.6
+# Created by: PyQt5 UI code generator 5.15.7
 #
 # WARNING: Any manual changes made to this file will be lost when pyuic5 is
 # run again.  Do not edit this file unless you know what you are doing.
@@ -14,10 +14,11 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 class Ui_EnvVars(object):
     def setupUi(self, EnvVars):
         EnvVars.setObjectName("EnvVars")
-        EnvVars.resize(720, 561)
+        EnvVars.resize(592, 200)
         EnvVars.setMinimumSize(QtCore.QSize(0, 200))
         EnvVars.setWindowTitle("GroupBox")
         self.verticalLayout = QtWidgets.QVBoxLayout(EnvVars)
+        self.verticalLayout.setContentsMargins(0, -1, 0, 0)
         self.verticalLayout.setObjectName("verticalLayout")
         self.env_vars_table = QtWidgets.QTableWidget(EnvVars)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Preferred)
@@ -25,6 +26,7 @@ class Ui_EnvVars(object):
         sizePolicy.setVerticalStretch(0)
         sizePolicy.setHeightForWidth(self.env_vars_table.sizePolicy().hasHeightForWidth())
         self.env_vars_table.setSizePolicy(sizePolicy)
+        self.env_vars_table.setFrameShape(QtWidgets.QFrame.NoFrame)
         self.env_vars_table.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAsNeeded)
         self.env_vars_table.setSizeAdjustPolicy(QtWidgets.QAbstractScrollArea.AdjustToContents)
         self.env_vars_table.setObjectName("env_vars_table")
diff --git a/rare/ui/components/tabs/settings/widgets/env_vars.ui b/rare/ui/components/tabs/settings/widgets/env_vars.ui
index 42115e41..136e9d74 100644
--- a/rare/ui/components/tabs/settings/widgets/env_vars.ui
+++ b/rare/ui/components/tabs/settings/widgets/env_vars.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>720</width>
-    <height>561</height>
+    <width>592</width>
+    <height>200</height>
    </rect>
   </property>
   <property name="minimumSize">
@@ -23,6 +23,15 @@
    <string>Environment variables</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
    <item>
     <widget class="QTableWidget" name="env_vars_table">
      <property name="sizePolicy">
@@ -31,6 +40,9 @@
        <verstretch>0</verstretch>
       </sizepolicy>
      </property>
+     <property name="frameShape">
+      <enum>QFrame::NoFrame</enum>
+     </property>
      <property name="verticalScrollBarPolicy">
       <enum>Qt::ScrollBarAsNeeded</enum>
      </property>
diff --git a/rare/widgets/collapsible_widget.py b/rare/widgets/collapsible_widget.py
index dd0c7cae..ae9fb04e 100644
--- a/rare/widgets/collapsible_widget.py
+++ b/rare/widgets/collapsible_widget.py
@@ -2,7 +2,16 @@ from abc import abstractmethod
 from typing import Optional
 
 from PyQt5.QtCore import QParallelAnimationGroup, Qt, QPropertyAnimation, QAbstractAnimation, QSize
-from PyQt5.QtWidgets import QWidget, QFrame, QToolButton, QGridLayout, QSizePolicy, QGroupBox, QLabel
+from PyQt5.QtWidgets import (
+    QWidget,
+    QFrame,
+    QToolButton,
+    QVBoxLayout,
+    QGridLayout,
+    QSizePolicy,
+    QGroupBox,
+    QLabel,
+)
 
 from rare.utils.misc import icon
 
@@ -182,7 +191,7 @@ class CollapsibleGroupBox(QGroupBox, CollapsibleBase):
 
 if __name__ == "__main__":
     import sys
-    from PyQt5.QtWidgets import QApplication, QDialog, QVBoxLayout
+    from PyQt5.QtWidgets import QApplication, QDialog
     from rare.ui.components.dialogs.install_dialog_advanced import Ui_InstallDialogAdvanced
     from rare.utils.misc import set_style_sheet
     from rare.resources.stylesheets import RareStyle