body {
    background-color: #f8f9fa;
}

.card {
    border: none;
    border-radius: 10px;
}

.card-header {
    border-radius: 10px 10px 0 0;
}

.notice-text {
    font-size: 1.2rem;
    line-height: 1.6;
    color: #333;
    text-align: center;
    margin: 0;
}