@media screen and (min-width: 300px){
    html{
        background-image: URL("../img/background/background400.jpg");
    }
}

@media screen and (min-width: 400px){
    html{
        background-image: URL("../img/background/background500.jpg");
    }
}

@media screen and (min-width: 500px){
    html{
        background-image: URL("../img/background/background600.jpg");
    }
}

@media screen and (min-width: 600px){
    html{
        background-image: URL("../img/background/background800.jpg");
    }
}

@media screen and (min-width: 800px){
    html{
        background-image: URL("../img/background/background1000.jpg");
    }
}

@media screen and (min-width: 1000px){
    html{
        background-image: URL("../img/background/background1500.jpg");
    }
}

@media screen and (min-width: 1500px){
    html{
        background-image: URL("../img/background/background2000.jpg");
    }
}

@media screen and (min-width: 2000px){
    html{
        background-image: URL("../img/background/background2500.jpg");
    }
}

@media screen and (min-width: 2500px){
    html{
        background-image: URL("../img/background/background3000.jpg");
    }
}

@media screen and (min-width: 3000px){
    html{
        background-image: URL("../img/background/background3600.jpg");
    }
}