diff --git a/theme/src/client/styles/content.css b/theme/src/client/styles/content.css
index c27cf105..0e01a4c8 100644
--- a/theme/src/client/styles/content.css
+++ b/theme/src/client/styles/content.css
@@ -142,10 +142,14 @@
   position: absolute;
   top: 0;
   left: 4px;
-  font-size: 32px;
-  color: var(--vp-c-text-1);
-  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M3.691 6.292C5.094 4.771 7.217 4 10 4h1v2.819l-.804.161c-1.37.274-2.323.813-2.833 1.604A2.9 2.9 0 0 0 6.925 10H10a1 1 0 0 1 1 1v7c0 1.103-.897 2-2 2H3a1 1 0 0 1-1-1v-5l.003-2.919c-.009-.111-.199-2.741 1.688-4.789M20 20h-6a1 1 0 0 1-1-1v-5l.003-2.919c-.009-.111-.199-2.741 1.688-4.789C16.094 4.771 18.217 4 21 4h1v2.819l-.804.161c-1.37.274-2.323.813-2.833 1.604A2.9 2.9 0 0 0 17.925 10H21a1 1 0 0 1 1 1v7c0 1.103-.897 2-2 2'/%3E%3C/svg%3E");
+  width: 24px;
+  height: 24px;
+  content: "";
+  background-color: var(--vp-c-text-1);
   opacity: 0.3;
+  mask:
+    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M3.691 6.292C5.094 4.771 7.217 4 10 4h1v2.819l-.804.161c-1.37.274-2.323.813-2.833 1.604A2.9 2.9 0 0 0 6.925 10H10a1 1 0 0 1 1 1v7c0 1.103-.897 2-2 2H3a1 1 0 0 1-1-1v-5l.003-2.919c-.009-.111-.199-2.741 1.688-4.789M20 20h-6a1 1 0 0 1-1-1v-5l.003-2.919c-.009-.111-.199-2.741 1.688-4.789C16.094 4.771 18.217 4 21 4h1v2.819l-.804.161c-1.37.274-2.323.813-2.833 1.604A2.9 2.9 0 0 0 17.925 10H21a1 1 0 0 1 1 1v7c0 1.103-.897 2-2 2'/%3E%3C/svg%3E")
+    no-repeat center / contain;
 }
 
 .vp-doc blockquote > p {