.hidden{
  display: none !important;
}
#images {
  width: 600px;
  margin: 0 auto;
}
ul li {
  list-style-type: none;
  float: left;
  margin-left: 20px;
  width: 200px;
}
#main ul {
  width: 700px;
}
.card-image .image-loader{
  position: absolute;
  bottom: 0;
  margin: auto;
}

.card-image img.grey {
  opacity: 0.4;
}

.fixed-action-btn.bottom {
  bottom: 45px;
  right: 24px;
}