.thumbnails {
  margin-left: -20px;
  list-style: none;
  *zoom: 1;
}

.thumbnails:before,
.thumbnails:after {
  display: table;
  content: "";
}

.thumbnails:after {
  clear: both;
}

.row-fluid .thumbnails {
  margin-left: 0;
}

.thumbnails > li {
  float: left;
  margin-bottom: 18px;
  margin-left: 20px;
}

.thumbnail {
  display: block;
  padding: 4px;
  line-height: 1;
  border: 1px solid #ddd;
  -webkit-border-radius: 4px;
     -moz-border-radius: 4px;
          border-radius: 4px;
  -webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075);
     -moz-box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075);
          box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075);
}

a.thumbnail:hover {
  border-color: #0088cc;
  -webkit-box-shadow: 0 1px 4px rgba(0, 105, 214, 0.25);
     -moz-box-shadow: 0 1px 4px rgba(0, 105, 214, 0.25);
          box-shadow: 0 1px 4px rgba(0, 105, 214, 0.25);
}

.thumbnail > img {
  display: block;
  max-width: 100%;
  margin-right: auto;
  margin-left: auto;
}

.span4 {
  width: 220px;
}

.row-fluid .span4 {
  width: 25%;
  *width: 25%;
}