diff --git a/style/main.css b/style/main.css
index 6bb58d326c7929989a1bbca1a7b53c78423802b4..46ece197c6d060aaddb4713633f5652bc18afaf1 100644
--- a/style/main.css
+++ b/style/main.css
@@ -190,12 +190,12 @@ hr {
       line-height: 42px;
       margin-left: 9px; }
       .game-container .game-message a.keep-playing-button {
-	display: none; }
+        display: none; }
     .game-container .game-message.game-won {
       background: rgba(237, 194, 46, 0.5);
       color: #f9f6f2; }
       .game-container .game-message.game-won a.keep-playing-button {
-	display: inline-block; }
+        display: inline-block; }
     .game-container .game-message.game-won, .game-container .game-message.game-over {
       display: block; }