.bg_container {
background-image: url(http://localhost/funtreats/wp-content/uploads/2016/01/img2.jpg);
background-position: center center;
background-attachment: fixed;
background-repeat: no-repeat;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
height: 100%;
width: 100%;
position: fixed;
z-index: 0;
top: 0;
left: 0;
}