onion/sass/ascribe_piece_register.scss

$break-small: 764px;
$break-medium: 991px;

.ascribe-row {
  @media screen and (max-width: $break-medium) {
    max-width: 600px;
  }
  @media screen and (min-width: $break-medium) {
    max-width: 1200px;
  }
  margin: 0 auto;
}

.ascribe-row > div {
    padding-left: 0;
}