.button-heading {
  float: right;
  margin: -5px;
}

.img-aux {
  background-color: #e0e0e0;
  margin-bottom: 15px;
}

.img-aux > img {
  width: 100%;
}

.file-aux {
  overflow: hidden;
}

textarea {
  max-width: 100%;
  min-width: 100%;
  width: 100%;
}

.mayuscula {
  text-transform: uppercase;
}

.form-group.required > label::after {
  content: " *";
  color: #dd4b39;
  font-weight: bold;
}

.form-group.has-error .help-block {
  margin-bottom: 0;
}

td.celda {
  padding: 3px !important;
  text-align: center;
}