.lightbox {
    position: fixed;
    width: 100%;
    height: 100%;
    text-align: center;
    top: 0;
    left: 0;
    background-color: rgba(0,0,0,0.75);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
}

.lightbox img {
    max-width: 90%;
    max-height: 80%;
    position: relative;
    top: -100%;
    /* Transition */
    transition: all .5s ease;
    -moz-transition: all .5s ease;
    -ms-transition: all .5s ease;
    -o-transition: all .5s ease;
    -webkit-transition: all .5s ease;
}

.lightbox:target {
    outline: none;
    top: 0;
    opacity: 1;
    pointer-events: auto;
    transition: all .5s ease;
    -moz-transition: all .5s ease;
    -ms-transition: all .5s ease;
    -o-transition: all .5s ease;
    -webkit-transition: all .5s ease;
}

.lightbox:target img {
    top: 0;
    top: 50%;
    transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    padding-top: 30px;
    height: 0;
    overflow: hidden;
}

.video-container iframe, .video-container object, .video-container embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}