diff --git a/ts/routes/deck-options/FsrsOptions.svelte b/ts/routes/deck-options/FsrsOptions.svelte
index 72f184ab7..4019fb11e 100644
--- a/ts/routes/deck-options/FsrsOptions.svelte
+++ b/ts/routes/deck-options/FsrsOptions.svelte
@@ -411,5 +411,6 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
         display: flex;
         align-content: center;
         flex-wrap: wrap;
+        width: 100%;
     }
 </style>