html, body {
    height: 100%;
}

body {
    margin: 0;
    background-image: url("../img/bg-pattern.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed; /* parallax */
}

.page-overlay {
    min-height: 100vh;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    
}