@media only screen and (max-width: 768px){
.w_sfbox-002 > .w_sfbox > .p_fbox > div > .p_bgBox {
    height: 100%;
    width: 100%;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-image: url(/img/lxbg.jpg) !important;
}
  
}