body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

.image-gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    margin-top: 20px;
}

.image-item {
    background-color: #fff;
    border: 1px solid #ddd;
    padding: 10px;
    margin: 10px;
    text-align: center;
    flex: 1 1 calc(33.333% - 20px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.image-item img {
    max-width: 100%;
    height: auto;
}

.button {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    color: #fff;
    background-color: #007BFF;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 20px;
}

.button:hover {
    background-color: #0056b3;
}