diff --git a/GUI_main/mainapp.qrc b/GUI_main/mainapp.qrc
index aa03ea39078937270affa3525300f27700ce5a9e..a6748cf8933044557e86f33f03b9c7cac00de38b 100644
--- a/GUI_main/mainapp.qrc
+++ b/GUI_main/mainapp.qrc
@@ -38,6 +38,7 @@
     <file alias="Default.css">resources/style/Default.css</file>
     <file alias="Palette.css">resources/style/Palette.css</file>
     <file alias="QCheckBox.png">resources/style/QCheckBox.png</file>
+    <file alias="QCheckBoxPartial.png">resources/style/QCheckBoxPartial.png</file>
     <file alias="QRadioButton.png">resources/style/QRadioButton.png</file>
     <file alias="QHeaderViewUpArrow.png">resources/style/QHeaderViewUpArrow.png</file>
     <file alias="QHeaderViewDownArrow.png">resources/style/QHeaderViewDownArrow.png</file>
diff --git a/GUI_main/resources/style/Default.css b/GUI_main/resources/style/Default.css
index 168a363e216692a46b5018fb371ad94351beeb04..b9bb80736edc958836789c0f10b8b86e241454ef 100644
--- a/GUI_main/resources/style/Default.css
+++ b/GUI_main/resources/style/Default.css
@@ -115,6 +115,14 @@ QCheckBox::indicator:checked:disabled, QTreeView::indicator:checked:disabled, QT
 {
 	image: url([QCheckBox:disabled:base]);
 }
+QCheckBox::indicator:indeterminate, QTreeView::indicator:indeterminate, QTableView::indicator:indeterminate, QListView::indicator:indeterminate
+{
+	image: url([QCheckBoxPartial:bright-text]);
+}
+QCheckBox::indicator:indeterminate:disabled, QTreeView::indicator:indeterminate:disabled, QTableView::indicator:indeterminate:disabled, QListView::indicator:indeterminate:disabled
+{
+	image: url([QCheckBoxPartial:disabled:base]);
+}
 
 
 QRadioButton
diff --git a/GUI_main/resources/style/QCheckBoxPartial.png b/GUI_main/resources/style/QCheckBoxPartial.png
new file mode 100644
index 0000000000000000000000000000000000000000..4c3bd768cca1e2c173730217589a232cceccdc5f
Binary files /dev/null and b/GUI_main/resources/style/QCheckBoxPartial.png differ