view release on metacpan or  search on metacpan

share/vendor/css/bootstrap.css  view on Meta::CPAN

}

.icon-warning-sign {
  background-position: -144px -120px;
}

.icon-plane {
  background-position: -168px -120px;
}

.icon-calendar {
  background-position: -192px -120px;
}

.icon-random {
  width: 16px;
  background-position: -216px -120px;
}

.icon-comment {
  background-position: -240px -120px;