body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

/*.bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-image: url('ad-banner.jpg');
    background-size: cover;
    background-position: center;
    z-index: -1;
}*/

main {
                background-image: url('ad-banner.jpg');
               background-size: cover;
               background-position: center;}

.vh-100 {
    height: 100vh;
}

.ad-banner {
    margin: 20px;
    width: 300px;
    height: 250px;
    border: 1px solid #ddd;
    border-radius: 10px;
    overflow: hidden;
}

.ad-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.top {
    margin-top: 0;
}

.middle {
    margin: 40px auto;
}

.bottom {
    margin-bottom: 0;
}

#upload-form {
    margin: 20px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1)}
    .gallery {
        margin-top: 20px;
    }
    
    .gallery h2 {
        font-weight: bold;
        color: #333;
    }
    
    .gallery #pin-input {
        width: 50%;
        padding: 10px;
        font-size: 18px;
        border: 1px solid #ccc;
    }
    
    .gallery #unlock-btn {
        margin-left: 10px;
    }
    
    .gallery #gallery-container {
        margin-top: 20px;
    }
    
    .gallery .thumbnail {
        width: 100px;
        height: 100px;
        margin: 10px;
        border: 1px solid #ccc;
        border-radius: 5px;
        background-color: #f0f0f0;
        cursor: pointer;
    }
    
    .gallery .thumbnail.encrypted {
        background-image: url('bild1.jpg'); /* encrypted thumbnail background image */
        background-size: cover;
        background-position: center;
    }
    
    .gallery .thumbnail.decrypted {
        background-image: none;
    }

    .thumb-small{
        max-height: 200px;
        padding-top: 30px;
    }
    .padding-left{
        padding-left: 20px;
    }