diff --git a/components/publication-card.tsx b/components/publication-card.tsx
index 3de6e7d2..fca755cd 100644
--- a/components/publication-card.tsx
+++ b/components/publication-card.tsx
@@ -1,5 +1,5 @@
 "use client";
-import { Button } from "@/components/ui/button";
+import { Button, buttonVariants } from "@/components/ui/button";
 import { CardTitle } from "@/components/ui/card";
 import {
   Tooltip,
@@ -50,6 +50,10 @@ export function PublicationCard({
   );
   const [imageError, setImageError] = useState(false);
 
+  const buttonSize = "sm";
+  const buttonStyle = "ghost";
+
+
   const handleCopy = () => {
     if (navigator.clipboard?.writeText) {
       navigator.clipboard
@@ -144,9 +148,9 @@ export function PublicationCard({
         <Tooltip>
           <TooltipTrigger asChild>
             <TrackedButton
-              variant="ghost"
-              size="sm"
-              className="h-7 w-7 cursor-pointer px-2"
+              variant={buttonStyle}
+              size={buttonSize}
+              className="h-7 w-7 cursor-pointer px-2 hover:border"
               onClick={handleDownload}
               eventName={`${bibtexKey}-bibfile`}
             >
@@ -161,9 +165,9 @@ export function PublicationCard({
         <Tooltip>
           <TooltipTrigger asChild>
             <TrackedButton
-              variant="ghost"
-              size="sm"
-              className="relative h-7 w-7 cursor-pointer px-2"
+              variant={buttonStyle}
+              size={buttonSize}
+              className="relative h-7 w-7 cursor-pointer px-2 hover:border"
               onClick={handleCopy}
               eventName={`${bibtexKey}-copycite`}
             >
@@ -183,9 +187,10 @@ export function PublicationCard({
           <Tooltip>
             <TooltipTrigger asChild>
               <Button
-                variant="ghost"
-                size="sm"
-                className="h-7 w-7 px-2"
+                variant={buttonStyle}
+                size={buttonSize}
+                className="h-7 w-7 px-2 hover:border"
+                onClick={(e) => e.stopPropagation()}
                 asChild
               >
                 <TrackedLink