.env-image-viewer-2__viewer__controls button {
   padding: calc(2em - 2px) 0 0 !important;
   margin-bottom: 0rem !important; 
}

.env-image-viewer-2__lightbox button, .env-image-viewer-2__lightbox a {
   padding: calc(4em - 2px) 0 0 !important;
   margin-bottom: 0rem !important; 
}