.publications-section {
    width: 80%;
    margin: 0 auto;
    text-align: center;
    background-color: #ffffff; 
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1); 
}
.publications-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 0;
    list-style: none;
}
.publication-item {
    flex: 0 1 calc(25% - 10px); /* 4 items per line with a small gap between them */
    box-sizing: border-box;
    margin: 10px 0;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background: #f9f9f9;
}