.para-item.error {
    border: 2px solid #dc3545;
    background-color: #f8d7da;
    position: relative;
}

.para-item.error::before {
    content: "!";
    position: absolute;
    top: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #dc3545;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
}

.error-notification {
    transition: all 0.3s ease;
}

.error-notification:hover {
    transform: translateY(-5px);
}