.catalogue-box {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    text-align: center;
}
.catalogue-box img {
    width: 100%;
    border-radius: 5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.catalogue-title {
    margin-top: 10px;
    font-size: 16px;
    font-weight: bold;
}
.download-btn {
    display: inline-block;
    margin-top: 10px;
    background-color: #002f6c;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}
.download-btn:hover {
    background-color: #004080;
}