.mpg-gallery {
    column-count: 3;
    column-gap: 10px;
}

.mpg-item {
    margin-bottom: 10px;
    cursor: pointer;
}

.mpg-item img {
    width: 100%;
    border-radius: 8px;
}

.mpg-lightbox {
    display:none;
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,0.9);
    text-align:center;
}

.mpg-main {
    max-width:80%;
    margin-top:50px;
}

.mpg-thumbs img {
    width:60px;
    margin:5px;
    cursor:pointer;
}