body {
    font-family: Arial, sans-serif;
}

.news-box {
    width: 100%;
    height: 290px;
    overflow: hidden;
    border: 1px solid #ccc;
    position: relative;
}

.news-content {
    position: absolute;
    width: 100%;
    animation: scroll-up 20s linear infinite;
}

.news-item {
    padding: 10px;
    border-bottom: 1px solid #eee;
}

@keyframes scroll-up {
    0% {
        top: 0;
    }
    100% {
        top: -100%;
    }
}