.tk-fileinput .image-preview-input {
  position: relative;
  overflow: hidden;
  margin: 0;
  color: #333;
  background-color: #fff;
  border-color: #ccc;
}
.tk-fileinput .image-preview-input input[type=file] {
  position: absolute;
  top: 0;
  left: 0;
  margin: 0;
  padding: 0;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  filter: alpha(opacity=0);
}
.tk-fileinput .image-preview-input-title {
  margin-left: 2px;
}
.tk-fileinput .image-preview-thumb {
  max-width: 250px;
  height: 30px;
}
.tk-fileinput .image-preview-thumb img {
  vertical-align: middle;
  max-height: 16px;
  display: inline;
}
.tk-fileinput .thumb-img {
  max-width: 100%;
}
.tk-fileinput .popover-content {
  overflow: hidden;
}
.tk-fileinput .btn {
  box-shadow: none;
  text-shadow: none;
}