.btn-file {
    position: relative;
    overflow: hidden;
    vertical-align: middle;
  }
  
  .btn-file > input {
    position: absolute;
    top: 0;
    right: 0;
    margin: 0;
    font-size: 23px;
    cursor: pointer;
    opacity: 0;
    filter: alpha(opacity=0);
    transform: translate(-300px, 0) scale(4);
    direction: ltr;
  }
  
  .fileupload {
    margin-bottom: 9px;
  }
  
  .fileupload .uneditable-input {
    display: inline-block;
    margin-bottom: 0;
    vertical-align: middle;
    cursor: text;
  }
  
  .fileupload .thumbnail {
    display: inline-block;
    margin-bottom: 5px;
    overflow: hidden;
    text-align: center;
    vertical-align: middle;
  }
  
  .fileupload .thumbnail > img {
    display: inline-block;
    max-height: 100%;
    vertical-align: middle;
  }
  
  .fileupload .btn {
    vertical-align: middle;
  }
  
  .fileupload-exists .fileupload-new,
  .fileupload-new .fileupload-exists {
    display: none;
  }
  
  .fileupload-inline .fileupload-controls {
    display: inline;
  }
  
  .fileupload-new .input-append .btn-file {
    -webkit-border-radius: 0 3px 3px 0;
       -moz-border-radius: 0 3px 3px 0;
            border-radius: 0 3px 3px 0;
  }
  
  .thumbnail-borderless .thumbnail {
    padding: 0;
    border: none;
    -webkit-border-radius: 0;
       -moz-border-radius: 0;
            border-radius: 0;
    -webkit-box-shadow: none;
       -moz-box-shadow: none;
            box-shadow: none;
  }
  
  .fileupload-new.thumbnail-borderless .thumbnail {
    border: 1px solid #ddd;
  }
  
  .control-group.warning .fileupload .uneditable-input {
    color: #a47e3c;
    border-color: #a47e3c;
  }
  
  .control-group.warning .fileupload .fileupload-preview {
    color: #a47e3c;
  }
  
  .control-group.warning .fileupload .thumbnail {
    border-color: #a47e3c;
  }
  
  .control-group.error .fileupload .uneditable-input {
    color: #b94a48;
    border-color: #b94a48;
  }
  
  .control-group.error .fileupload .fileupload-preview {
    color: #b94a48;
  }
  
  .control-group.error .fileupload .thumbnail {
    border-color: #b94a48;
  }
  
  .control-group.success .fileupload .uneditable-input {
    color: #468847;
    border-color: #468847;
  }
  
  .control-group.success .fileupload .fileupload-preview {
    color: #468847;
  }
  
  .control-group.success .fileupload .thumbnail {
    border-color: #468847;
  }