diff --git a/style.less b/style.less
index 34596b4..38098de 100644
--- a/style.less
+++ b/style.less
@@ -20,6 +20,6 @@
   &__minus, &__plus{
     display: flex;
     justify-content: center;
-    align-content: center;
+    align-items: center;
   }
-}
\ No newline at end of file
+}