``` <header> <nav class='navbar navbar-expand-lg navigation navbar-light bg-light'> <%= link_to '/', class: 'navbar-brand' do %> <%= image_tag 'logo.png' %> <% end %> <button class='navbar-toggler' data-bs-toggle='collapse' data-bs-target='#navbarSupportedContent' aria-controls='navbarSupportedContent' aria-expanded='false' aria-label='Toggle navigation'> <span class='navbar-toggler-icon'></span> </button> <div class='collapse navbar-collapse' id='navbarSupportedContent'> <ul class='navbar-nav ms-auto main-nav align-items-center'> <li class='nav-item dropdown dropdown-slide'> <%= link_to t('header.board'), '#', class: 'nav-link dropdown-toggle', data: { bs_toggle: 'dropdown' }, aria: { haspopup: 'true', expanded: 'false' }, id: 'header-board-menu' %> <div class='dropdown-menu dropdown-menu-end'> <%= link_to t('header.board_index'), boards_path, class: 'dropdown-item' %> <%= link_to t('header.create_board'), new_board_path, class: 'dropdown-item' %> </div> </li> <li class='nav-item'> <%= link_to t('header.bookmark_index'), bookmarks_boards_path, class: 'nav-link' %> </li> <li class='nav-item dropdown dropdown-slide'> <%= link_to '#', class: 'nav-link', data: { bs_toggle: 'dropdown' }, aria: { haspopup: 'true', expanded: 'false' }, id: 'header-profile' do %> <%= image_tag current_user.avatar_url, class: 'rounded-circle mr15', width: '40', height: '40' %> <% end %> <div class='dropdown-menu dropdown-menu-end'> <div class='dropdown-item'><%= current_user.decorate.full_name %></div> <div class='dropdown-divider'></div> <%= link_to t('header.profile'), profile_path, class: 'dropdown-item' %> <%= link_to t('header.logout'), logout_path, class: 'dropdown-item', data: { turbo_method: :delete } %> </div> </li> </ul> </div> </nav> </header> ```