.thumbnail {
    margin-bottom: 1px;
    cursor: pointer;
}

.file-upload .form-control {
  height: 150px;
  outline: 1px dashed #ccc;
  outline-offset: -15px;
  background-color: #eee;
}
.file-upload .form-control:before {
  content: "\f093";
  font: normal normal normal 14px/1 FontAwesome;
  font-size: 3em;
  left: 0;
  right: 0;
  display: block;
  margin: 20px auto;
  text-align: center;
}
.file-upload .form-control:after {
  content: attr(data-message);
  left: 0;
  right: 0;
  bottom: 0;
  text-align: center;
  display: block;
}
.file-upload .form-control input[type="file"] {
  cursor: pointer;
  opacity: 0;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
}