diff --git a/src/_main.scss b/src/_main.scss
index 796c745..67316ab 100644
--- a/src/_main.scss
+++ b/src/_main.scss
@@ -1,2 +1,10 @@
 @import 'main/page';
 @import 'main/smoke';
+
+#main {
+  background-image: url(./images/decay.png);
+  background-repeat: no-repeat;
+  background-position: center center;
+  background-size: 50%;
+  background-color: #000;
+}
\ No newline at end of file
diff --git a/src/images/decay.png b/src/images/decay.png
new file mode 100644
index 0000000..47d91fe
Binary files /dev/null and b/src/images/decay.png differ