diff --git a/public/js/buildings/arena.js b/public/js/buildings/arena.js
index b4bdcaf..f02472c 100644
--- a/public/js/buildings/arena.js
+++ b/public/js/buildings/arena.js
@@ -40,12 +40,13 @@ function initArenaModes() {
     card.addEventListener("click", () => {
       const mode = card.dataset.mode;
       if (mode === "1v1") {
-        const width = window.screen.width;
-        const height = window.screen.height;
+        const margin = 50;
+        const width = window.screen.width - margin * 2;
+        const height = window.screen.height - margin * 2;
         const tab = window.open(
           "/arena/1v1",
           "_blank",
-          `width=${width},height=${height},left=0,top=0`,
+          `width=${width},height=${height},left=${margin},top=${margin}`,
         );
         tab?.focus();
       } else {