diff --git a/style/postwall.css b/style/postwall.css
index ffb8678..8ccddfc 100644
--- a/style/postwall.css
+++ b/style/postwall.css
@@ -202,15 +202,15 @@
     height: 36px;
     fill: #fff;
     cursor: pointer;
-    background-color: var(--background-color);
     border-radius: 50%;
+    border: solid 1px #fff;
     padding: 9px;
     box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
     transition: transform 0.3s ease, fill 0.3s ease;
 }
 
 .arrow-indicator svg:hover {
-    background-color: var(--secondary-background-color);
+    background-color: var(--background-color);
 }
 
 /* Responsives Verhalten */