@charset "UTF-8";
#keyboard {
    background: url("../images/keyboard_1920.jpg") center -20px no-repeat;
    height: 746px;
}

#keyboard div {
    position: absolute;
    left: 144px;
    top: 106px;
    width: 920px;
    height: 157px;
}

@media screen and (max-width: 1366px) {
    #keyboard {
        background: url("../images/keyboard_1366.jpg") center 50px no-repeat;
        height: 575px;
    }
    #keyboard div {
        left: 105px;
        top: 109px;
        width: 726px;
        height: 117px;
    }
}

@media screen and (max-width: 960px) {
    #keyboard {
        background: url("../images/keyboard_960.jpg") center -10px no-repeat;
        height: 590px;
    }
    #keyboard div {
        left: 47px;
        top: 120px;
        width: 519px;
        height: 138px;
    }
}

@media screen and (max-width: 640px) {
    #keyboard {
        background: url("../images/keyboard_640.jpg") center -150px no-repeat;
        height: 450px;
    }
}