vbox {
  margin: 8px;
}

.file {
  display: inline;
  -moz-appearance: none;
  padding: 0;
  border: 2px inset ThreeDFace;
  border-style: none;

  background-color: -moz-Field;

  color: -moz-FieldText;
  font: -moz-field;
  text-rendering: optimizeLegibility;
  line-height: normal !important;
  text-align: start;
  text-transform: none;
  word-spacing: normal;
  letter-spacing: normal;
  cursor: text;
  text-indent: 0;
  -moz-user-select: text;
  text-shadow: none;
}

.file > label {
  display: inline-block;
  width: 12em;
  -moz-padding-start: 5px;

  border-color: inherit;
  background-color: inherit;
  color: inherit;
  font-size: inherit;
  letter-spacing: inherit;
}

.file > label.rtl {
  text-align: right;
  -moz-padding-start: 0px;
  padding-right: 1px;
}

.file > input[type='button'] {
  height: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  cursor: inherit;
}
