diff --git a/img/bg.jpg b/img/bg.jpg
new file mode 100644
index 0000000..2fd1d7a
Binary files /dev/null and b/img/bg.jpg differ
diff --git a/styles.css b/styles.css
index e765145..2323091 100644
--- a/styles.css
+++ b/styles.css
@@ -1,6 +1,10 @@
 body {
     font-family: Microsoft YaHei;
-    background-color: #f2f2f2;
+    /* background-color: #f2f2f2; */
+    background-image: url("img/bg.jpg");
+    background-size: cover;
+    background-position: center;
+    background-repeat: no-repeat;
     display: flex;
     justify-content: center;
     align-items: center;
@@ -9,13 +13,16 @@ body {
 }
 
 .container {
+    z-index: 1;
+    background-color: rgba(255, 255, 255, 0.6);
+    border-radius: 15px;
     text-align: center;
     padding: 20px;
 }
 
 .card {
     width: 300px;
-    background-color: #ffffff;
+    background-color: rgba(255, 255, 255, 0.6);
     border-radius: 15px;
     padding: 20px;
     box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);