.page-header {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(/wp-content/themes/leonardo/img/bg-contact.jpg);
    background-size: cover;
    background-position: center;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    margin-bottom: 50px;
    background-color: #2c3e50;
}
.page-header h1 {
    font-size: 3em;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}