В themes.xml в разделе <thumb>970</thumb> после 970 вставить код

<![CDATA[
  <style>.block.fields.form .tabs {height: auto;white-space: normal;}</style>
  <script>
/*global $*/
$.dmllcTheme = {
    tabs: [],
    addtabs: function() {
        var tabheaders='',tabcontent = '';
        for (var i = 0; i < this.tabs.length; i++) {
            tabheaders += '<li><a href="#" data-tab-id ='+i+' >'+this.tabs[i]+'</a></li>';
            tabcontent += '<div class="block" data-tabcontent-id='+i+'></div>';
        }
        $('#theme-settings').prepend('<div class="block fields form"><ul class="tabs">'+tabheaders+'</ul><div class="tab-content">'+tabcontent+'</div></div>');
    },
    parseSettings: function() {
        var fields = $('.fields', '#theme-settings').children().not('.wa-design-save-panel');
        var tab_id = 0;
        this.tabs[tab_id] = '<i class="icon16 home"></i>';
        for (var i in Object.keys(fields)) {
            if ($(fields[i]).hasClass('field')) {
                $(fields[i]).attr('data-tab-id', tab_id);
            } else if ($(fields[i]).hasClass('heading')) {
                tab_id += 1;
                $(fields[i]).attr('data-tab-id', tab_id);
                this.tabs[tab_id] = $(fields[i]).text();
            }
        }
    },
    moveSettings: function() {
        for (var i = 0; i < this.tabs.length; i++) {
            $('div[data-tab-id='+i+']').detach().appendTo('div[data-tabcontent-id='+i+']');
            $('h5[data-tab-id='+i+']').remove();
            $('div[data-tabcontent-id]').hide();
        }
    },
    init: function() {
        this.parseSettings();
        this.addtabs();
        this.moveSettings();
        $('#theme-settings').on('click', 'a[data-tab-id]', function(e){
            e.preventDefault();
            $('a[data-tab-id]').parent().removeClass('selected');
            $(this).parent().addClass('selected');
            $('div.block','.tab-content').hide();
            $('div[data-tabcontent-id='+$(this).data('tab-id')+']','.tab-content').show();
        });
        $('a[data-tab-id]:first','#theme-settings').trigger('click');
    }
  };
$.dmllcTheme.init();
</script>]]>