fix: Added back borders for multi-line but removed margins

Author: lamATnginx

assets/css/v2/style.css

@@ -875,8 +875,13 @@ blockquote {
   /* solid 3px drop shadow */
   box-shadow: 3px 3px 0px var(--color-shadow);
 
-  &:has(.code-block) .highlight-v2 {
-    /* Remove border from codeblocks in callouts */
+  &:has(.code-block) .code-block:not(:has(.single-line)) {
+    /* Removes negative margins from multi-line codeblocks */
+    margin: 0;
+  }
+
+  &:has(.code-block) .code-block:has(.single-line) .highlight-v2.single-line {
+    /* Remove border from single line codeblocks in callouts */
     border: none;
   }
 }