Lazyload bottom background

cs.css

@@ -443,10 +443,10 @@ nav ul li ul li a {
 /**********************************************************************************/
 
 .members {
-  background-image: url(img/flp-dark.jpg);
+  /* background-image: url(img/flp-dark.jpg); */
   background-position: center;
   background-repeat: no-repeat;
-  background-size: cover;
+  background-size: auto;
   background-attachment: fixed;
 }
 

index.html

@@ -314,7 +314,7 @@
       </div>
     </div>
 
-    <div class="members" id="contact">
+    <div class="members lazy" id="contact" data-bg="url(img/flp-dark.jpg)">
       <div class="shape">
         <div class="cmembers cmembers1">
           <h4>How do I become a member?</h4>