fix signup box on mobile

diff --git a/public/assets/css/game.css b/public/assets/css/game.css
index 5283e7a06eba7957396ebb2cb2fd9000c266ebf6..d112dc3c54349643b4a66c3f9f33c5eb4b9eb4e0 100644 (file)
--- a/public/assets/css/game.css
+++ b/public/assets/css/game.css
@@ -57,6 +57,15 @@ section {
   display: flex;
 }
 
+@media(max-width: 650px) {
+  #signup {
+    flex-direction: column;
+  }
+  #signup .form-group, #signup button {
+    margin-bottom: 1rem;
+  }
+}
+
 .alert {
   padding: 0.3rem;
   margin-bottom: 0.3rem;