body {
    background-image: url('/images/parchment.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    background-position: center center;
}
.container-header {
    /* background: linear-gradient(to top, #960018 0%,#7C0A02 100%); */
    background-color: #4A0404; /* Replace with your hex color code */
    background-image: none;    /* Removes the default gradient overlay */
}