github.com/rahart/packer@v0.12.2-0.20161229105310-282bb6ad370f/website/source/assets/stylesheets/hashicorp-shared/_hashicorp-header.scss

//
// Hashicorp header
// - Shared throughout projects
// - Edits should not be made here
// --------------------------------------------------

#header{
  position: relative;
  margin-bottom: 0;
}

.navigation {
  color: black;
  text-rendering: optimizeLegibility;
  transition: all 1s ease;

  &.white{
    .navbar-brand {
      .logo {
        color: white;
      }
    }

    .main-links,
    .external-links {
      li > a {
        &:hover{
          opacity: 1;
        }
      }
    }
  }

  &.black{
    .navbar-brand {
      .logo {
        color: black;
      }
    }

    .main-links,
    .external-links {
      li > a {
        color: black;
      }
    }
  }

  .navbar-toggle{
    height: $header-height;
    margin: 0;
    border-radius: 0;
    .icon-bar{
      border: 1px solid $black;
      border-radius: 0;
    }
  }

  .external-links {
    &.white{
      svg path{
        fill: $white;
      }
    }

    li {
      position: relative;

      svg path{
        @include transition( all 300ms ease-in );
      }

      &:hover{
        svg path{
          @include transition( all 300ms ease-in );
        }
      }

      @include project-svg-external-links-style();

      &.download{
        margin-right: 10px;
      }

      > a {
        padding-left: 12px !important;
        svg{
          position: absolute;
          left: -12px;
          top: 50%;
          margin-top: -7px;
          width: 14px;
          height: 14px;
        }
      }
    }
  }

  .main-links{
    margin-right: $nav-margin-right * 2;
  }

  .main-links,
  .external-links {
    &.white{
      li > a {
        color: white;
      }
    }
    li > a {
      @include hashi-a-style();
      margin: 0 10px;
      padding-top: 1px;
      line-height: $header-height;
      @include project-a-style();
    }
  }

  .nav > li > a:hover, .nav > li > a:focus {
    background-color: transparent;
    @include transition( all 300ms ease-in );
  }
}

.navbar-brand {
  display: block;
  height: $header-height;
  padding: 0;
  margin: 0 10px 0 0;

  .logo{
    display: inline-block;
    height: $header-height;
    vertical-align:top;
    padding: 0;
    line-height: $header-height;
    padding-left: $project-logo-width + $project-logo-pad-left;
    background-position: 0 center;
    @include transition(all 300ms ease-in);

    &:hover{
      @include transition(all 300ms ease-in);
      text-decoration: none;
    }
  }
}

.navbar-toggle{
  &.white{
    .icon-bar{
      border: 1px solid white;
    }
  }
}

.by-hashicorp{
  display: inline-block;
  vertical-align:top;
  height: $header-height;
  margin-left: 3px;
  padding-top: 2px;
  color: black;
  line-height: $header-height;
  font-family: $header-font-family;
  font-weight: 600;
  font-size: 0;
  text-decoration: none;

  &.white{
    color: white;
    font-weight: 300;
    svg{
      path,
      polygon,
      rect{
        fill: white;
      }
    }

    &:focus,
    &:hover{
      text-decoration: none;
      color: white;
    }
  }

  &:focus,
  &:hover{
    text-decoration: none;
  }

  .svg-wrap{
    font-size: 13px;
  }

  svg{
    &.svg-by{
      width: $by-hashicorp-width;
      height: $by-hashicorp-height;
      margin-bottom: -4px;
      margin-left: 4px;
    }

    &.svg-logo{
      width: 16px;
      height: 16px;
      margin-bottom: -3px;
      margin-left: 4px;
    }

    path,
    polygon{
      fill: black;
      @include transition(all 300ms ease-in);

      &:hover{
        @include transition(all 300ms ease-in);
      }
    }
    .svg-bg-line{
      @include transition(all 300ms ease-in);

      &:hover{
        @include transition(all 300ms ease-in);
      }
    }
  }
}

.hashicorp-project{
  display: inline-block;
  height: 30px;
  line-height: 30px;
  text-decoration: none;
  font-size: 14px;
  color: $black;
  font-weight: 600;

  &.white{
    color: white;
    svg{
      path,
      polygon,
      rect{
        fill: white;
      }
    }
  }

  &:focus,
  &:hover{
    text-decoration: none;
  }

  span{
    margin-right: 4px;
    font-family: $header-font-family;
    font-weight: 500;
  }

  span,
  svg{
    display: inline-block;
  }

  svg{
    &.svg-by{
      width: $by-hashicorp-width;
      height: $by-hashicorp-height;
      margin-bottom: -4px;
      margin-left: -3px;
    }

    &.svg-logo{
      width: 30px;
      height: 30px;
      margin-bottom: -10px;
      margin-left: -1px;
    }

    path,
    line{
      fill: $black;
      @include transition(all 300ms ease-in);

      &:hover{
        @include transition(all 300ms ease-in);
      }
    }

    .svg-bg-line{
      @include transition(all 300ms ease-in);

      &:hover{
        @include transition(all 300ms ease-in);
      }
    }    
  }
}

@media (max-width: 480px) {
  .navigation {
    .main-links{
      margin-right: 0;
    }
  }
}

@media (max-width: 414px) {
  #header {
    .navbar-toggle{
      padding-top: 10px;
      height: $header-mobile-height;
    }

    .navbar-brand {
      height: $header-mobile-height;

      .logo{
        height: $header-mobile-height;
        line-height: $header-mobile-height;
      }
      .by-hashicorp{
        height: $header-mobile-height;
        line-height: $header-mobile-height;
        padding-top: 0;
      }
    }
    .main-links,
    .external-links {
      li > a {
        line-height: $header-mobile-height;
      }
    }
  }
}