discourse/app/assets/stylesheets/desktop/header.scss

// --------------------------------------------------
// Discourse header
// --------------------------------------------------

.d-header {
  left: 0;
  padding-top: 3px;
  height: 4.2857em;
  .d-icon-home {
    padding: 8px;
    font-size: $font-up-5;
  }

  .site-text-logo {
    position: relative;
    top: 10px;
  }
}

@media all and (max-width: 570px) {
  .extra-info-wrapper {
    display: none;
  }
}

#main {
  position: relative;
}

#main-outlet {
  padding-top: 82px;
}

.search-link .blurb {
  color: dark-light-choose($primary-high, $secondary-medium);
  display: block;
  word-wrap: break-word;
  font-size: $font-down-2;
  line-height: $line-height-large;
  .search-highlight {
    color: dark-light-choose($primary-high, $secondary-low);
  }
}

header {
  #site-text-logo {
    font-size: $font-up-3;
    margin-top: .4em;
    line-height: $line-height-medium;
  }
}