.fullscreen,
.fotorama--fullscreen,
.fotorama--fullscreen .fotorama__stage,
.fotorama--fullscreen .fotorama__nav,
.fotorama-overlay {
  background-color: black;
}

.thumbs{
  margin: 0 auto;
  max-width: 2000px;
}

.thumbs > .fotorama {
  overflow: visible;
}

/* style thumbs a bit */
.thumbs a {
  text-decoration: none;
  display: inline !important;
  color: #34457b;
  opacity: 0.8;
  -webkit-transition: .3s ease-in-out;
  transition: .3s ease-in-out;
  filter: blur(1px);
  
}
.thumbs a:hover {
  color: #af1d05;
  opacity: 1;
  filter: blur(0);
}
.thumbs a.switch {
  border-bottom: 1px dashed;
}
.thumbs img {
  min-width: 200px;
  width: 16%;
  border: 1vw lightgray solid;
  margin: 2vw;
}

.thumbs a:hover img {
  border-color: yellow;
}

/* straight “close” icon instead of “cancel fullscreen” */
.fotorama--fullscreen .fotorama__fullscreen-icon {
  background-position: -64px 0;
}