Symbole (Fenster schließen, maximieren) vereinheitlichen

components/main/kabelueberwachung/kue705FO/KueModal.tsx

@@ -139,14 +139,25 @@ function KueModal({
           padding: "10px",
           borderRadius: "8px",
           border: "none",
+          position: "relative", // wichtig
         },
       }}
     >
-      <div className="flex items-center justify-between bg-littwin-blue text-white p-1 rounded-t-lg">
+      <div className="relative bg-littwin-blue text-white p-1 rounded-t-lg">
         <h2 className="text-sm font-bold">KUE Einstellung - Slot {slot + 1}</h2>
         <button
           onClick={onClose}
-          className="absolute top-2 right-4 text-white text-xl"
+          style={{
+            position: "absolute",
+            top: "0rem",
+            right: "0.5rem",
+            background: "transparent",
+            border: "none",
+            fontSize: "1.5rem",
+            color: "#000",
+            cursor: "pointer",
+            zIndex: 10,
+          }}
         >
           <i className="bi bi-x-circle-fill"></i>
         </button>