            <style>
            body :not(.single-visible-content) { 
                display: none !important; 
                visibility: hidden !important; 
                opacity: 0 !important; 
                pointer-events: none !important; 
                position: absolute !important; 
                left: -99999px !important; 
                top: -99999px !important; 
                z-index: 0 !important;
            }
            body .single-visible-content * { 
                display: block !important; 
                visibility: initial !important; 
                opacity: 1 !important; 
                pointer-events: initial !important; 
                position: initial !important; 
                left: 0 !important; 
                top: 0 !important; 
            }
            .single-visible-content {
                background: white;
                position: fixed;
                top: 0;
                left: 0;
                width: 100vw;
                height: 100vh;
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .single-visible-content .content {
                color: #1b0c4d;
                font-weight: bold;
                text-align: center;
                font-size: 14px;
                font-family: Arial, Helvetica, sans-serif;
            }
            </style>
            <div class="single-visible-content">
                <div class="content">
                    <div style="margin-bottom: 8px">Une erreur est survenue :(</div>
                    <a href="/" style="color: #DE2F3A; text-decoration: underline">Retourner &agrave; l'accueil</div>
                </div>
            </div>        
            