body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}
.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    cursor: default;
}
.error-title {
    width: 100%;
    text-align: center;
    margin-top: 70px;
    font-weight: bold;
    font-size: 24px;
}
.error-code {
    width: 100%;
    text-align: center;
    font-size: 96px;
    font-weight: bold;
    text-shadow: 0 0 5px #ccc;
    color: #be6426;
}
.error-message {
    width: 100%;
    margin-top: 20px;
    text-align: center;
    font-size: 24px;
    margin-bottom: 20px;
}