diff --git a/css/main.css b/css/main.css
index 934bd4e..0f2e7fb 100644
--- a/css/main.css
+++ b/css/main.css
@@ -1,5 +1,6 @@
 body {
-    background: linear-gradient(-45deg, rgb(172, 250, 227), rgb(172, 243, 255));
+    background: url(../image/background.jpg) fixed;
+    background-size: cover;
 }
 
 #center {
@@ -7,7 +8,7 @@ body {
     padding: 2%;
     border-radius: 2em;
     background-color: white;
-    opacity: 0.7;
+    opacity: 0.87;
 }
 
 #title {
diff --git a/image/background.jpg b/image/background.jpg
new file mode 100644
index 0000000..70604f1
Binary files /dev/null and b/image/background.jpg differ