diff --git a/src/scss/common/glossary.scss b/src/scss/common/glossary.scss
index 35ab94952c..88cb870861 100644
--- a/src/scss/common/glossary.scss
+++ b/src/scss/common/glossary.scss
@@ -22,7 +22,7 @@
     top: 0;
     left: 0;
     width: 100%;
-    background: var(--color-neutral-white);
+    background: var(--color-neutral-white, white);
     z-index: 255;
     display: none;
 
@@ -104,7 +104,7 @@
       cursor: pointer;
 
       &.unavailable {
-        color: var(--color-neutral-300);
+        color: var(--color-neutral-300, $gray-120);
         cursor: default;
       }
     }