#swap {
    background-image: url(../images/swap_1920.jpg);
    height: 876px;
    background-position: 0px -50px;
}

@media screen and (max-width: 1366px) {
    #swap {
        background-image: url(../images/swap_1366.jpg);
        height: 655px;
        background-position: center -14px;
    }
}

@media screen and (max-width: 960px) {
    #swap {
        background-image: url(../images/swap_960.jpg);
        height: 631px;
        background-position: center 89px;
    }
}

@media screen and (max-width: 640px) {
    #swap {
        background-image: url(../images/swap_640.jpg);
        height: 629px;
        background-position: center -30px;
    }
}