bulma/docs/_sass/components/banner.scss

.bd-banner {
  --background-color: #{$primary-light};
  --color: #{$primary-dark};

  background-color: var(--background-color);
  color: var(--color);
  padding: 0.5em;

  &.bd-is-bleeding {
    --background-color: var(--bleeding-light);
    --color: var(--bleeding-dark);
  }

  &.bd-is-sponsor {
    --background-color: var(--sponsor-light);
    --color: var(--sponsor);
  }
}

.bd-banner-body {
  align-items: center;
  display: flex;
  min-height: 2.5rem;
}

.bd-banner-title {
  display: flex;
  margin-right: auto;

  a {
    color: inherit;

    &:hover {
      text-decoration: underline;
    }
  }

  strong {
    color: inherit;
    font-weight: $weight-semibold;
  }
}

@include tablet() {
  .bd-banner-title {
    font-size: 1.125rem;
  }
}

@include desktop() {
  .bd-banner {
    padding: 0.5rem 2rem;
  }
}

@include widescreen() {
  .bd-banner {
    padding: 0.5rem 4rem;
  }
}