* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.page-header{
    display: flex;
    align-items: center;
    justify-content: center;
    background: black;
}

.image-header{
    display: block;
    padding: 28px 0;
}

.main-banner{
    display: block;
    width: 100%;
}

@media screen and (max-width: 425px){
    .banner-desktop{
        display: none;
    }
}

@media screen and (min-width: 426px){
    .banner-mobile{
        display: none;
    }
}