@charset "UTF-8";
#dualmicro {
    background: url(../images/dualmicro_1920.jpg) center bottom no-repeat;
    padding: 100px 0 570px;
}

#dualmicro .frame {
    width: 1100px;
    margin: 0 auto 100px;
}

@media screen and (max-width: 1366px) {
    #dualmicro {
        background-image: url(../images/dualmicro_1366.jpg) ;   
        padding: 80px 0 440px;
    }
    #dualmicro .frame {
        width: 778px;
        margin-bottom:50px;
    }
}

@media screen and (max-width: 960px) {
    #dualmicro {
        background-image: url(../images/dualmicro_960.jpg);    
        padding: 60px 0 350px;
    }
    #dualmicro .frame {
        width: 518px;  
        margin-bottom:30px;
    }
}

@media screen and (max-width: 640px) {
    #dualmicro {
        background-image: url(../images/dualmicro_640.jpg);    
        padding: 40px 0 260px;
    }
    #dualmicro .frame {
    }
}