body {
    font-family: Arial, sans-serif;
    background-color: #3a3a3a;
    margin: 0;
    padding: 20px;
}

h1 {
    text-align: center;
    color: #ffffff;
}

.back-button {
    margin-bottom: 20px;
    text-align: center;
}

.back-button a {
    text-decoration: none;
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.back-button a:hover {
    background-color: #555;
}

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

.gallery-item {
    text-align: center;
    background: #fff;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.gallery img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 5px;
    transition: transform 0.2s, border-color 0.2s;
}

.gallery img:hover {
    transform: scale(1.1);
}

.filename {
    margin-top: 10px;
    font-size: 14px;
    color: #333;
}