Overleaf/services/web/frontend/stylesheets/components/system-messages.scss

@use 'sass:color';

.system-messages {
  @include list-unstyled;

  margin: 0;

  .system-message {
    padding: var(--spacing-03) var(--spacing-05);
    background-color: var(--bg-info-01);
    color: var(--content-primary-dark);
    border-bottom: solid 1px color.adjust($blue-50, $lightness: 10%);

    a {
      color: var(--content-primary-dark);
      text-decoration: underline;
    }
  }
}