gitlab-org--gitlab-foss/app/assets/stylesheets/generic/mobile.scss

/** Common mobile (screen XS, SM) styles **/
@media (max-width: $screen-xs-max) {
  .container .content {
    margin-top: 20px;
  }

  .container-fluid {
    padding-left: 5px;
    padding-right: 5px;
  }

  .nav.nav-tabs > li > a {
    padding: 10px;
    font-size: 12px;
    margin-right: 3px;

    .badge {
      display: none;
    }
  }

  .issues-filters,
  .dash-projects-filters,
  .check-all-holder {
    display: none;
  }

  .rss-btn {
    display: none !important;
  }

  .project-home-links {
    display: none;
  }

  .project-avatar {
    display: none;
  }

  .project-home-panel {
    padding-left: 0 !important;

    .project-home-row {
      .project-home-desc {
        margin-right: 0 !important;
        float: none !important;
      }

      .project-repo-buttons {
        position: static;
        margin-top: 15px;
        width: 100%;
        float: none;
        text-align: left;
      }
    }
  }

  .navbar-inner .title {
    margin-left: 6px !important;
    max-width: 70% !important;
  }
}

@media (max-width: $screen-sm-max) {
  .issues-filters {
    .milestone-filter, .labels-filter {
      display: none;
    }
  }

  .page-title {
    .note_created_ago, .new-issue-link {
      display: none;
    }
  }

  .issue_edited_ago, .note_edited_ago {
    display: none;
  }

  aside {
    display: none;
  }

  .show-aside {
    display: block !important;
  }
}

.show-aside {
  display: none;
  position: fixed;
  right: 0px;
  top: 30%;
  padding: 5px 15px;
  background: #EEE;
  font-size: 20px;
  color: #777;
  z-index: 100;
  @include box-shadow(0 1px 2px #DDD);
}