#fan {
    background: url("../images/fan_1920.jpg") center center no-repeat;
    height: 850px;
}

#fan .frame {
    padding-top: 100px;
    margin: 0 auto;
    width: 1105px;
}

@media screen and (max-width: 1366px) {
    #fan {
        background: url("../images/fan_1366.jpg") center no-repeat;
        height: 600px;
    }
    #fan .frame {
        padding-top: 50px;
        width: 770px;
    }
}

@media screen and (max-width: 960px) {
    #fan {
        background: url("../images/fan_960.jpg") center no-repeat;
        height: 570px;
    }
    #fan .frame {
        width: 580px;
        padding-top: 70px;
    }
}

@media screen and (max-width: 640px) {
    #fan {
        background: url(../images/fan_640.jpg) center 230px no-repeat;
        height: 830px;
    }
    #fan .frame {
        width: auto;
        padding-top: 70px !important;
    }
}