@font-face {
    font-family: 'DBSEH';
    src: url('/DBSEH.ttf') format('truetype');
}

body {
    font-family: 'DBSEH', sans-serif;
}

{
            position: fixed; /* oder absolute */
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('iPhone_15_Pro_Max__iPhone_15_Plus__iPhone_14_Pro_Max_portrait.png') no-repeat center center;
            background-size: cover;
            z-index: 1000; /* Hoch genug, um über anderen Inhalten zu liegen */
        }