diff --git a/src/views/preview/comment/comment.scss b/src/views/preview/comment/comment.scss
index 285d673e7..c1513110a 100644
--- a/src/views/preview/comment/comment.scss
+++ b/src/views/preview/comment/comment.scss
@@ -1,6 +1,6 @@
 @import "../../../colors";
 
-$cross-browser-transparent: hsla(0, 0, 100, 0);
+$cross-browser-transparent: hsla(0, 0, 100%, 0);
 
 .compose-comment {
     width: 100%;