@charset "UTF-8";
    #sound {
        background: url("../images/sound_1920.jpg") center 50px no-repeat;
        height: 824px;
    }
    
    #sound div {
        position: absolute;
        left: 211px;
        top: 44px;
        width: 897px;
        height: 274px;
    }
    
    #sound center {
        text-align: center;
    }
    
    @media screen and (max-width: 1366px) {
        #sound {
            background: url("../images/sound_1366.jpg") center 108px no-repeat;
            height: 655px;
        }
        #sound div {
            left: 174px;
            top: 46px;
            width: 602px;
            height: 289px;
        }
    }
    
    @media screen and (max-width: 960px) {
        #sound {
            background: url("../images/sound_960.jpg") center 20px no-repeat;
            height: 720px;
        }
        #sound div {
            left: 41px;
            top: 62px;
            width: 543px;
            height: 263px;
        }
    }
    
    @media screen and (max-width: 640px) {
        #sound {
            background: url("../images/sound_640.jpg") center -55px no-repeat;
            height: 570px;
        }
        #sound div {
            width: 282px !important;
        }