diff --git a/src/components/modal/CenterModal.vue b/src/components/modal/CenterModal.vue
index 35e6ca6..0f80088 100644
--- a/src/components/modal/CenterModal.vue
+++ b/src/components/modal/CenterModal.vue
@@ -1,6 +1,6 @@
 
 <template>
-    <div @click="closeModal" class="modal fade scrollbar-none" :class="{ 'show': display, 'display-block': display , 'modal-back' : display  }"  id="modalCenter" tabindex="-1" aria-modal="true" role="dialog">
+    <div @click="closeModal" class="modal fade scrollbar-none" :class="{ 'show': display , 'd-block': display , 'bg-dark bg-opacity-50' : display  }"  id="modalCenter" tabindex="-1" aria-modal="true" role="dialog">
         <div @click.stop class="modal-dialog modal-dialog-centered" role="document">
             <div class="modal-content">
                 <div class="modal-header">
@@ -44,11 +44,6 @@ const closeModal = () => {
 };
 </script>
 
-<style>
-.modal-back {
-    background: rgba(0, 0, 0, 0.5);
-}
-</style>