Retrospring/app/javascript/styles/components/_announcements.scss

.announcement {
  width: 100%;
  border-radius: 0;
  text-align: center;

  p {
    margin-bottom: 0;
  }

  &__container {
    position: fixed;
    top: $navbar-height;
    width: 100%;
    z-index: 1024;
  }
}