.comment-list {
  @extend .list-unstyled;
}

.comment-list ol {
  list-style: none;
}

.comment-form p {
  @extend .form-group;
}

.comment-form input[type='text'],
.comment-form input[type='email'],
.comment-form input[type='url'],
.comment-form textarea {
  @extend .form-control;
}

.comment-form input[type='submit'] {
  @extend .btn;
  @extend .btn-secondary;
}