css << ".hide_if_logged_in { display: none !important }" if @user
css << ".hide_if_user_#{@user.id} { display: none !important }" if @user
css << ".show_if_user_#{@user.id} { display: inline !important }" if @user
css << ".hide_if_logged_in { display: none !important }" if @user
css << ".hide_if_user_#{@user.id} { display: none !important }" if @user
css << ".show_if_user_#{@user.id} { display: inline !important }" if @user