diff --git a/_includes/styles/base.scss b/_includes/styles/base.scss
index a793779..1ffb918 100644
--- a/_includes/styles/base.scss
+++ b/_includes/styles/base.scss
@@ -108,6 +108,7 @@ blockquote {
     top: 50%;
     margin-top: -12px;
     left: calc(-0.75rem - 24px);
+    filter: var(--filter-bg);
     content: url("https://static.fosterhangdaan.com/icons/tabler-icons/latest/svg/quote.svg");
   }
   &.info {