/* load images */

body::after{
    /*  hide images */
    position:absolute; width:0; height:0; overflow:hidden; z-index:-1;  
    content:url(../img/gameOver.png);  
 }

#part1{
    background-image: url("../img/papillons/intro.png");
}


#ecranfin{

    background-image: url("../img/gameOver.png");
}

#p1a {
    background-image: url(..//img/papillons/intro.png);
}


@media only screen and (max-width: 320px) {

    #part1 {
        background-image: url("../img/papillons/intro-300.png");
    }
}