.project-card {
    border: 1px solid #ddd;
    padding: 20px;
    margin-bottom: 20px;
    background-color: #f9f9f9;
    text-align: center;
}
.project-card h2 {
    font-size: 1.5em;
    margin-top: 10px;
}
.project-card p {
    margin: 10px 0;
}
.project-card .btn {
    margin-top: 10px;
}