soapbox/app/styles/components/error-boundary.scss

.error-boundary {
  > div {
    margin: auto;

    span {
      display: block;
      text-align: center;
      color: var(--primary-text-color--faint);
    }

    a {
      display: block;
      margin: 15px auto;
      text-align: center;
      color: var(--brand-color);
    }
  }
}