@font-face {
    font-family: 'Wiener Norm';
    src: url('wiener-norm.woff2') format('woff2'),
         url('wiener-norm.woff') format('woff'),
         url('wiener-norm.otf') format('opentype'); /* Fallback */
    font-weight: 400; /* Standardwert für "normal" */
    font-style: normal;
    font-display: swap; /* Verhindert unsichtbaren Text während des Ladens */
}