body{
  background-color: black;
}

.all{
  color: lightgreen;
  text-align: center;
}

div.gallery {
  margin: 12px;
  border: 1px solid #ccc;
  float: left;
  width: 380px;
}

div.gallery:hover {
  border: 1px solid #777;
}

div.gallery img {
  width: 100%;
  height: auto;
}

div.desc {
  padding: 15px;
  text-align: center;
}