.header-image {
    margin: 20px auto;
    display: block;
    max-width: 100%;
    border-radius: 5px;
    height: 20rem;
    width: 100%;
    object-fit: cover;
    object-position: center;
}

.post-image {
    margin: 20px auto;
    display: block;
    max-width: 100%;
    border-radius: 5px;
    width: 15rem;
}