openproject/app/assets/stylesheets/layout/_main_menu_mobile.sass

//-- copyright
// OpenProject is a project management system.
// Copyright (C) 2012-2018 the OpenProject Foundation (OPF)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 3.
//
// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
// Copyright (C) 2006-2017 Jean-Philippe Lang
// Copyright (C) 2010-2013 the ChiliProject Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// See docs/COPYRIGHT.rdoc for more details.
//++

@include breakpoint(680px down)

  .main-menu
    position: absolute !important
    min-height: 100%
    z-index: 11
    border-bottom: 1px solid $main-menu-border-color
    width: 100vw !important
    border: none
    box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.15)

    %absolute-layout-mode &
      height: auto

  .hidden-navigation .main-menu
    display: none

  .main-item-wrapper a
    width: 100%

  .main-menu--resizer
    display: none

  #wrapper:not(.hidden-navigation) #main-menu-toggle i:before
    @include icon-mixin-close