.fileinput-button {
  position: relative;
  overflow: hidden;
  padding: 40px;
  background-color: white;
  border: 1px #ccc dashed;
  text-align: center;
  margin-bottom: 10px;  
}

.fileinput-button div {
    font-size: 1.2em;
    margin-bottom: 10px;
}

.fileinput-button input {
  position: absolute;
  top: 0;
  right: 0;
  margin: 0;
  opacity: 0;
  -ms-filter: 'alpha(opacity=0)';
  font-size: 200px !important;
  direction: ltr;
  cursor: pointer;
}

/* Fixes for IE < 8 */
@media screen\9 {
  .fileinput-button input {
    filter: alpha(opacity=0);
    font-size: 100%;
    height: 100%;
  }
}