Update style.css

style.css

@@ -2,7 +2,7 @@
             font-family: 'Arial', sans-serif;
             line-height: 1.6;
         }
-        bg-image {
+        .bg-image {
     background-image: url('https://images.unsplash.com/photo-1498050108023-c5249f4df085?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=MnwzNjUyOXwwfDF8c2VhcmNofDd8fGRldmVsb3BlcnxlbnwwfHx8fDE2MjM3MjI0NjM&ixlib=rb-1.2.1&q=80&w=1080');
     height: 85vh;
     background-position: center;