Gravity Forms SASS overides inconjunction with Jay Hoffmann's `add_bootstrap_container_class` php function.

_forms.scss

/**
 * @description Gravity Forms SASS overides inconjunction with Jay Hoffmann's add_bootstrap_container_class
 *
 * @author Jay Hoffmann (modified by Josh Cranwell)
 * 
 * @source https://jayhoffmann.com/using-gravity-forms-bootstrap-styles/
 *
 * @instructions
 *  - Gravity Form settings: HTML 5 [true], CSS OUTPUT [false].
 *  - Repsonsive column classes must be added to each field in the admin to control inputs .col-[screen-size]-[column-count]
 *  - If all your inputs are the same width then you can @extend .col-xs-12 below line 20.
 */

.gform_fields {
  @extend .list-unstyled;
  @extend .row;

  INPUT, SELECT, TEXTAREA {
    @extend .form-control;
    // @extend .col-xs-12;

  }

  TEXTAREA {
    height: auto;

  }

}

.gfield_description {
  @extend .alert;

}

.validation_error {
  @extend .alert;
  @extend .alert-danger;

}

.validation_message {
  @extend .alert;
  @extend .alert-success;

}

.gform_button {
  @extend .btn;

}

.gfield_required {
  color: $alert-danger-text;

}

.gform_wrapper UL.gfield_radio li {
  @extend .radio;

}

.gform_wrapper UL.gfield_checkbox li {
  @extend .checkbox;

}

.gform_validation_container {
  display: none;

}

.gfield_error .ginput_container {
  margin: { bottom: 10px; }

}