body, html {background:url(../images/index/bg.jpg) center no-repeat; background-size:100% 100%;}

.content {display:block; width:100vw; height:auto; background:url(../images/index/con_bg.png) bottom center no-repeat; background-size:100% 55%; position:relative;}
.content img {display:block; width:100%; height:auto; max-width:1500px; margin:auto;}


@media screen and (max-width:480px) {


}