#content_ec_foot{
    background: #e95504;
}

#content_ec_foot .back{
    background: #e95504;
}

#content_ec{
    background: black;
}

.back{
    text-align: center;
    max-width: 1200px;
    margin: auto;
    background: black;
}

.position{
    position: relative;
}

    #content_ec .buy{
        position: absolute;
        top: 79.5%;
        left: 46%;
        max-width: 35%;
    
    }
    
    #content_ec .official{
        position: absolute;
        top: 84.5%;
        left: 8.3%;
        max-width: 85%;
    } 


/* PC */
@media screen and (min-device-width: 500px){



#content_ec .buy{
    position: absolute;
    top: 85.2%;
    left: 72%;
    width: 15%;

}

#content_ec .official{
    position: absolute;
    top: 91.5%;
    left: 52.3%;
    width: 44%;

}

}