body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
    color: #222;
    margin: 0;
    padding: 0;
}

header {
    background-color: #003366;
    color: white;
    padding: 20px 0;
    text-align: center;
}

h1, h2, h3 {
    margin: 0;
}

.container {
    display: flex;
    justify-content: space-around;
    margin: 30px;
}

.category-column {
    flex: 1;
    background-color: #fff;
    padding: 20px;
    margin: 0 10px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.article-card {
    display: flex;
    margin-bottom: 20px;
}

.article-card img {
    width: 120px;
    height: auto;
    margin-right: 15px;
    border-radius: 4px;
}

.article-card h3 {
    margin: 0;
    font-size: 18px;
    font-weight: bold;
}

.article-card p {
    margin: 5px 0 0;
    font-size: 14px;
}