body {
            background-color: #f8f9fa;
        }
        .notice-title {
            font-size: 1.1rem;
            font-weight: 600;
        }
        .notice-posted {
            font-size: 0.875rem;
            color: #6c757d;
            white-space: nowrap;
        }
        .list-group-item {
            background-color: #ffffff;
            border-radius: 8px;
            border: 1px solid #e0e0e0;
        }
        @media (max-width: 576px) {
            .notice-title {
                font-size: 1rem;
            }
            .notice-posted {
                font-size: 0.8rem;
            }
        }