.custom-gallery-modal {
    width: 80%;
    margin: 30px auto 30px auto;
}

.custom-gallery-modal .modal-content {
    position:relative; 
    padding-top: 170px;
    background: #262626;
}

.custom-gallery-modal .modal-content .slide-wrapper {
    display: table; 
    width: 100%; 
    height: 100%;
}

.custom-gallery-modal .modal-content .img-container {
    display: table-cell; 
    height: 100%; 
    width: 100%; 
    vertical-align: middle;
}

.custom-gallery-modal .modal-content .img-container img {
    margin: 0 auto;
}

.custom-gallery-modal .modal-content .slide-wrapper i {
    position: absolute; 
    font-size: 42px; 
    top: 50%; 
    text-shadow: 1px 1px 1px #000;
    cursor: pointer;
}

.custom-gallery-modal .modal-content .slide-wrapper .next-iamge {
     right: 5%; 
}

.custom-gallery-modal .modal-content .slide-wrapper .prev-image {
    left: 5%; 
}

.custom-gallery-modal .modal-content .collection {
    position: absolute; 
    top: 0; 
    width: 100%;
    overflow: hidden;
}

.custom-gallery-modal .modal-content .collection-wrapper {
    white-space: nowrap;
}

.custom-gallery-modal .modal-content .collection a {
    text-decoration: none;
}

.custom-gallery-modal .modal-content .collection img {
    margin: 10px; 
    width: 150px; 
    height: 150px;
    opacity: 0.7;
}

.custom-gallery-modal .modal-content .collection img.active {
    opacity: 1;
}