diff --git a/less/slider.less b/less/slider.less
index 8984101..8678349 100644
--- a/less/slider.less
+++ b/less/slider.less
@@ -27,6 +27,9 @@
   &__number,
   &__number-selection,
   &__number-model-answer {
+    display: flex;
+    justify-content: center;
+    align-items: center;
     position: absolute;
     top: 0;
     .transform(translateX(-50%));