.header {
    background-image: url('https://capitulumjournal.org/public/journals/2/homepageImage_en_US.jpg') !important;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    min-height: 250px;
}

.header .nav-link,
.header a {
    color: white !important;
}

.container.shadow {
    background-color: #FFF7CF !important; /* change to any color */
}