.sub-promotion {
    width: 100%;
    height: 500rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #111;
}

.sub-p-text {
    color: #fff;
    text-align: center;
    margin-top: 40rem;
}

.sub-p-text h5 {
    font-size: 45rem;
}

.sub-p-text p {
    font-size: 18rem;
    letter-spacing: 0;
    margin-top: 20rem;
}



/*==================================================*/
@media (max-width: 550px) {
    .sub-promotion {
        height: 700rem;
    }
    
    .sub-p-text h5 {
        font-size: 65rem;
    }

    .sub-p-text p {
        font-size: 30rem;
    }
}