diff --git a/datamodels/2.x/combodo-backoffice-darkmoon-theme/scss/scss-variables.scss b/datamodels/2.x/combodo-backoffice-darkmoon-theme/scss/scss-variables.scss
index 602e05ead..f33c39e3f 100644
--- a/datamodels/2.x/combodo-backoffice-darkmoon-theme/scss/scss-variables.scss
+++ b/datamodels/2.x/combodo-backoffice-darkmoon-theme/scss/scss-variables.scss
@@ -261,4 +261,12 @@ $ibo-vendors-c3--legend--background-color: $ibo-color-white-100;
 $ibo-vendors-c3--legend-item--fill: $ibo-color-grey-100;
 $ibo-vendors-c3--axis--fill: $ibo-color-grey-200;
 
-$ibo-run-query--highlight--background-color: $ibo-color-primary-700;
\ No newline at end of file
+$ibo-run-query--highlight--background-color: $ibo-color-primary-700;
+
+$ibo-datamodel-viewer--classes-list--selectize-input--background-color: $ibo-color-grey-700;
+$ibo-datamodel-viewer--classes-list--selectize-input--border-color: $ibo-color-grey-500;
+$ibo-datamodel-viewer--classes-list--selectize-input--color: $ibo-color-grey-200;
+$ibo-datamodel-viewer--lifecycle--code--color: $ibo-color-grey-300;
+$ibo-datamodel-viewer--lifecycle--stimuli--color: $ibo-color-blue-300;
+$ibo-datamodel-viewer--lifecycle--attribute-option--color: $ibo-color-pink-300;
+$ibo-datamodel-viewer--schema--tooltip--fill: $ibo-color-grey-600;
\ No newline at end of file