diff --git a/src/styles/custom-properties/colors.scss b/src/styles/custom-properties/colors.scss
index c63780d2..c68f7f2a 100644
--- a/src/styles/custom-properties/colors.scss
+++ b/src/styles/custom-properties/colors.scss
@@ -245,6 +245,7 @@
   --border: var(--grey-200);
   --input-disabled-background-color: var(--grey-100);
   --input-disabled-border-color: var(--grey-300);
+  --progress-value-background-color: var(--grey-500);
   // END Overrides of Bulma defaults
 
 
diff --git a/src/styles/theme/theme.scss b/src/styles/theme/theme.scss
index 39d027f3..17bc7e3d 100644
--- a/src/styles/theme/theme.scss
+++ b/src/styles/theme/theme.scss
@@ -52,11 +52,6 @@ h6 {
 	margin: 0 0.5rem 0 0;
 	flex: 3 1 auto;
 
-	&::-moz-progress-bar,
-	&::-webkit-progress-value {
-	  background: var(--grey-500);
-	}
-
 	@media screen and (max-width: $tablet) {
 		margin: 0.5rem 0 0 0;
 		order: 1;