.banner-container__banner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    
    width: 100vw;
    top: 0;
    left: 0;
    z-index: -1;
    height: 230px;
    background-color: #F9F9F9;
    opacity: 1;
}


.banner-container__banner img {
    max-width: 100%;
    height: auto;
}   

.pre-head-spacer {
    display: block;
    height: 230px;
}

.banner-container {
    display: block;
}

  
  /* for-phone-only */
@media only screen and (max-width: 599px) {
    .banner-container__banner,
    .pre-head-spacer {
        height: 90px;
    }
}

/* for-tablet-portrait-up */
@media only screen and (min-width: 600px) and (max-width: 899px) {
    .banner-container__banner,
    .pre-head-spacer {
        height: 90px;
    }
}