.header-wrapper {
    background-color: #fff;
    box-shadow: 0 0 5px 2px #3f3f3f46
}

.btn--secondary {
    color: #000
}

.overlay-blog {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    content: "";
    background-color: rgba(0, 0, 0, .5);
    z-index: 1
}

.posts-hero :not(.overlay-blog) {
    z-index: 10
}