html,
body .fullscreen {
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.site-header,
.site-footer {
    display: none;
}

.fullscreen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: bottom left;
}

.portrait .fullscreen img {
    object-fit: contain;
    object-position: center;
}

.portrait .fullscreen {
    background-color: black;

}