wiki-grav/themes/learn2-dark/scss/theme/_notices.scss

.notices {
  padding: 1px 1px 1px 30px;
  margin: 15px 0;
}

.notices.yellow {
  border-left: 10px solid #ffa800;
  background: rgba(46, 31, 7, 0.5);
  color: #f6af35;
}