body {
    font-family: Arial, sans-serif;
    background-color: #fff;
    color: #333;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

header {
    text-align: center;
    border-bottom: 1px solid #ddd;
    margin-bottom: 30px;
    padding-bottom: 20px;
}

h1 {
    margin: 0;
}

header p {
    color: #666;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.gallery-item {
    border: 1px solid #eee;
    padding: 10px;
    width: calc(50% - 20px);
}

@media (max-width: 600px) {
    .gallery-item {
        width: 100%;
    }
}

.gallery-item h3 {
    font-size: 14px;
    margin: 0 0 10px;
    text-align: center;
    color: #555;
}

.gallery-item img {
    max-width: 100%;
    height: auto;
    display: block;
}

.actions {
    text-align: center;
    margin: 40px 0;
    padding: 30px;
    background: #f9f9f9;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.download-btn {
    display: inline-block;
    background-color: #0078d4;
    color: #fff;
    padding: 15px 35px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    border-radius: 4px;
    transition: background 0.2s;
}

.download-btn:hover {
    background-color: #005a9e;
}

.github-btn {
    display: inline-block;
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    font-size: 14px;
    border-radius: 4px;
    transition: background 0.2s;
}

.github-btn:hover {
    background-color: #555;
}

footer {
    text-align: center;
    margin-top: 50px;
    color: #888;
    font-size: 12px;
}