diff --git a/frontend/components/build/FirstBack.vue b/frontend/components/build/FirstBack.vue
index ef51f74..591d34d 100644
--- a/frontend/components/build/FirstBack.vue
+++ b/frontend/components/build/FirstBack.vue
@@ -107,4 +107,15 @@ defineProps<{
   opacity: 0.8;
   white-space: nowrap;
 }
+
+@media only screen and (max-width: 650px) {
+  .item-row {
+    align-items: center;
+    max-width: 100%;
+    margin: 0 20px;
+  }
+  .first-back-content {
+    justify-content: center;
+  }
+}
 </style>