Visor CSS con miniaturas

dabblet.css

/* Visor CSS con miniaturas */


.contenedorvisor {
  position: relative;
  width: 800px;
  height: 700px;
  margin: 0 auto;
  text-align:center;
  overflow: hidden;
}
.contenedorvisor a {
  display: inline;
  text-decoration: none;
}
.contenedorvisor a span {
  position: absolute;
  top: 800px;
  left: 5%;
  color: black;
  padding: 5px;
  background: rgba(255,255,255,.3);
 }
.miniatura {
  width: 17%; /* 100/nº total imágenes */
  margin:1px;
  border: 3px solid black;
  opacity: 1;
}
.grande {
  width:100%;
  position: absolute;
  top: 800px; /* Valor mayor que alto contenedor */
  margin:0 auto;
  text-align: center;
  display: block;
  -webkit-transition: top 1s ease;
  -moz-transition: top 1s ease;
  -o-transition: top 1s ease;
  -ms-transition: top 1s ease;
  transition: top 1s ease;
  }
.muestra {
  opacity: .3;
  width: 200%;
  top: 170px;
}
a:hover .miniatura {
  border: 3px solid grey;
  opacity: .5;
}
a:hover .grande {
  top: 170px; /* Valor que hará visible la imagen grande */
  -webkit-transition: top 1s ease;
  -moz-transition: top 1s ease;
  -o-transition: top 1s ease;
  -ms-transition: top 1s ease;
  transition: top 1s ease;
  z-index: 3;
}
a:hover span {
top: 190px;
z-index: 3;
}

dabblet.html

<!-- HTML -->

<div class="contenedorvisor">
<a href="javascript:void(0);">
<img class="miniatura" src="https://lh4.googleusercontent.com/-I269JIOw-j8/T39fWn86O9I/AAAAAAAACjM/w53k4Y5ww9c/s800-c/Overlooking%2520Rio.jpg" />
<img class="grande" src="https://lh4.googleusercontent.com/-I269JIOw-j8/T39fWn86O9I/AAAAAAAACjM/w53k4Y5ww9c/s800/Overlooking%2520Rio.jpg" />
<span>Río de Janeiro</span>
</a>

<a href="javascript:void(0);">
<img class="miniatura" src="https://lh4.googleusercontent.com/-S6TQEihJFVo/T39fWOhcUqI/AAAAAAAACjI/fopDbZ0Kqz4/s800-c/Freestyle.jpg" />
<img class="grande" src="https://lh4.googleusercontent.com/-S6TQEihJFVo/T39fWOhcUqI/AAAAAAAACjI/fopDbZ0Kqz4/s800/Freestyle.jpg" />
<span>Salto al vacío</span>
</a>

<a href="javascript:void(0);">
<img class="miniatura" src="https://lh4.googleusercontent.com/-9nHMYUNoKKs/T39fVEYMEdI/AAAAAAAACiw/X6gtnDtBrmY/s800-c/Fish.jpg" />
<img class="grande" src="https://lh4.googleusercontent.com/-9nHMYUNoKKs/T39fVEYMEdI/AAAAAAAACiw/X6gtnDtBrmY/s800/Fish.jpg" />
<span>La vida en el arrecife</span>
</a>

<a href="javascript:void(0);">
<img class="miniatura" src="https://lh4.googleusercontent.com/-eN5LU1SvLY4/T39fVMhcPHI/AAAAAAAACi4/Hjm_4N7YZqw/s800-c/At%2520the%2520Arch.jpg" />
<img class="grande" src="https://lh4.googleusercontent.com/-eN5LU1SvLY4/T39fVMhcPHI/AAAAAAAACi4/Hjm_4N7YZqw/s800/At%2520the%2520Arch.jpg" />
<span>La ventana del diablo</span></a>

<a href="javascript:void(0);">
<img class="miniatura" src="https://lh3.googleusercontent.com/-mV2jjLU128A/T39fUmw9o0I/AAAAAAAACi0/GxZUCn7DCzs/s800-c/Big%2520Wave.jpg" />
<img class="grande" src="https://lh3.googleusercontent.com/-mV2jjLU128A/T39fUmw9o0I/AAAAAAAACi0/GxZUCn7DCzs/s800/Big%2520Wave.jpg" />
<span>The big one</span></a>

<a href="javascript:void(0);">
<img class="grande muestra" src="https://lh4.googleusercontent.com/-I269JIOw-j8/T39fWn86O9I/AAAAAAAACjM/w53k4Y5ww9c/s800/Overlooking%2520Rio.jpg" />
</a>

</div>

settings.json

{"view":"separate","fontsize":"90","seethrough":"","prefixfree":"1","page":"result"}