.lightbox-nav {
    position: relative;
    margin-bottom: 12px;
    height: 22px;
    text-align: start; /*aniket*/
    font-size: 0;
}

.lightbox-nav .btn-group {
    vertical-align: top
}

.lightbox-nav .close {
    position: absolute;
    top: 0;
    right: 0
}

.lightbox-image-container {
    position: relative;
    text-align: center;
}

.lightbox-image-caption {
    position: absolute;
    top: 0;
    left: 0;
    margin: .5em .9em;
    color: #000;
    font-size: 1.5em;
    font-weight: 700;
    text-align: left;
    text-shadow: .1em .1em .2em rgba(255, 255, 255, .5)
}

.lightbox-image-caption span {
    padding-top: .1em;
    padding-bottom: .1em;
    background-color: rgba(255, 255, 255, .75);
    box-shadow: .4em 0 0 rgba(255, 255, 255, .75), -.4em 0 0 rgba(255, 255, 255, .75);
}
/* Author - Aniket G. Purpose - Add css of download icon  .*/ 

.fa-search-plus {
    font-size: 50px;
    color: #007bff; 
}
.fa-search-minus {
    font-size: 18px;
    color: #007bff; 
}

.fa-download {
    font-size: 18px;
    color: #007bff; 
}
.fa-search-plus:before {
    padding: 10px;
    font-size: 22px;
}
.fa-search-minus:before {
    padding: 10px;

    font-size: 22px;
}
.fa-download:before {
    padding: 10px;
    font-size: 22px;
}