framework/ember/app/styles/flarum/hero.less

.hero {
  margin-top: -1px;
  background: @fl-body-hero-bg;
  text-align: center;
  padding: 20px 0;

  &, & a, & .close {
    color: @fl-body-hero-color;
  }
  & h2 {
    margin: 0;
    font-size: 16px;
    font-weight: normal;
    line-height: 1.5em;
  }
}
.welcome-hero {
  & a, & .close {
    opacity: 0.5;
  }
  & .close {
    float: right;
    margin-top: -10px;
  }
  & p {
    margin: 5px 0 0;
  }
}
@media @phone {
  .hero {
    & .close {
      margin-right: -10px;
    }
  }
}
@media @tablet, @desktop, @desktop-hd {
  .hero {
    padding: 30px 0;
    font-size: 14px;

    & h2 {
      font-size: 22px;
    }
  }
}