diff --git a/scripts/server.js b/scripts/server.js
index 171ce5a..46dbc25 100644
--- a/scripts/server.js
+++ b/scripts/server.js
@@ -10,7 +10,6 @@ const DIST_DIR = './dist';
 express()
     .use(
         helmet.contentSecurityPolicy({
-            useDefaults: true,
             directives: {
                 defaultSrc: ["'self'", 'https://*.firebasedatabase.app'],
                 fontSrc: ["'self'", 'data:'],
diff --git a/src/modules/arcade/tetris/tetris.css b/src/modules/arcade/tetris/tetris.css
index 54e5af4..4cab52f 100644
--- a/src/modules/arcade/tetris/tetris.css
+++ b/src/modules/arcade/tetris/tetris.css
@@ -1,4 +1,5 @@
 .main {
+  outline: none;
   font-family: sans-serif;
   border-radius: 25px;
   background-color: #00a1e0;