div.gallery {
  margin: 5px;
  border: 1px solid #ccc;
  float: left;
  width: 180px;
}

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

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

div.desc {
  padding: 15px;
  text-align: center;
  color: #FCFCFC;
  text-align: justify;
}

.center {
    margin-left: auto;
    margin-right: auto;
    display: block;
}
.container-img{
  display: flex;
  justify-content: center;
  align-items: center;
}