Update index.html

Author: MegaMind98

index.html

@@ -1,4 +1,4 @@
 ---
 layout: base
 ---
-<div style="background-image: url("/assets/images/class.jpg");height: 100%;background-position: center;background-repeat: no-repeat;background-size: cover;"></div>
+<div style="background-image: url('/img/class.jpg');height: 100%;background-position: center;background-repeat: no-repeat;background-size: cover;"></div>