@charset "UTF-8";
#usb {
    background: url("../images/usb_1920.jpg") center 48px no-repeat;
    height: 652px;
}

#usb div {
    position: absolute;
    left: 154px;
    top: 108px;
    width: 1100px;
    height: 247px;
}

@media screen and (max-width: 1366px) {
    #usb {
        background: url("../images/usb_1366.jpg") center 121px no-repeat;
        height: 551px;
    }
    #usb div {
        left: 144px;
        top: 91px;
        width: 706px;
        height: 187px;
    }
}

@media screen and (max-width: 960px) {
    #usb {
        background: url("../images/usb_960.jpg") center 136px no-repeat;
        height: 501px;
    }
    #usb div {
        left: 44px;
        top: 76px;
        width: 572px;
        height: 224px;
    }
    #usb h3 {
        width: auto;
    }
}

@media screen and (max-width: 640px) {
    #usb {
        background-image: url("../images/usb_640.jpg");
        height: 406px;
        background-position: center -83px;
    }
}