body::before {
    content: "Error: Resource Not Found\ADetails: 81196b521f96f7fdaa24e683314b9bd8 bundle not found";
    white-space: pre-line;
    /* or pre */
    display: block;
    color: red;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    background-color: #fdd;
    padding: 10px;
    border: 1px solid red;
}