<div class="dropdown"> <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> Change Theme </button> <div class="dropdown-menu" aria-labelledby="dropdownMenuButton"> {% for theme_name, display_name in config.FLASHBLOG_THEMES.items() %} <a class="dropdown-item" href="{{ url_for('blog.change_theme', theme_name=theme_name, next=request.full_path) }}"> {{ display_name }}</a> {% endfor %} </div> </div>