div.gallery {
  margin: 5px;
  border: 1px solid #ccc;
  float: left;
  width: 280px;
}
div.gallery:hover {
  border: 2px solid crimson;
}

div.gallery img {
  width: 100%;
  height: auto;
  border:1px white solid;
}

div.desc {
  font-size: 20px;
  padding: 15px;
  text-align: center;
}

body {
  background-color: black;
  color:white;
}
header{
  text-align: center;
  border:2px white solid;
  border-radius: 10px;
  margin: 10px;
}

header a{
  text-decoration: none;
  color:red;
}