.card-row .thumbnail {
  border: 1px solid #ccc;
  border-radius: 10px;
  position: relative;
  min-height: 275px;
}
.card-row .thumbnail .img-head {
  border-radius: 10px 10px 0 0;
}
.card-row .thumbnail .img-head, .card-row label {
  width: 100%;
}
.card-row .thumbnail .checkbox-container {
  position: absolute;
  left: 10px;
  top: 10px;
  width: 24px;
  height: 24px;
  background: url("http://media.4at5.net/email_domains/log/240815/Logitech/images/checkbox_icon_off.png") no-repeat;
  display: inline-block;
}
.card-row .caption {
  padding: 20px;
}
input[type=checkbox] {
  display:none;
}
input[type=checkbox]:checked + label .thumbnail .checkbox-container {
  background: url("http://media.4at5.net/email_domains/log/240815/Logitech/images/checkbox_icon_on.png") no-repeat;
}
input[type=checkbox]:checked + label .thumbnail {
  border-color: #0080FF;
  /* border-width: 2px; */
}
.btn {
  font-size: .825em;
  font-weight: bold;
  text-transform: uppercase;
  border-radius: 0;
  padding: 12px 20px;
}
.btn-dark {
  background-color: #333;
  color: #fff;
}
.btn-dark:hover, .btn-dark:focus, .btn-dark.focus {
  color: #fff;
}