diff --git a/quartz/styles/custom.scss b/quartz/styles/custom.scss
index 3e918ca..770fdd2 100644
--- a/quartz/styles/custom.scss
+++ b/quartz/styles/custom.scss
@@ -42,10 +42,11 @@ article.popover-hint ol > li {
 blockquote.callout.quote {
   background-color: var(--light);
   color: var(--darkgray);
-  border: 0 solid var(--dark);
+  border: 2px solid var(--dark);
 }
 
-code[data-theme="github-light github-dark"] {
+pre {
   background-color: #0C1911;
   color: #46F953;
+  border: 0 none transparent;
 }