Редактирование классов модального окна

<div class="ui-dialog ui-widget ui-widget-content ui-corner-all modalfixed ui-draggable ui-resizable ui-dialog-buttons" tabindex="-1" style="outline: 0px; z-index: 1002; position: fixed; height: auto; width: 800px; top: 86px; left: 548.5px; display: block;" role="dialog" aria-labelledby="ui-id-1"><div class="ui-dialog-titlebar ui-widget-header ui-corner-all ui-helper-clearfix"><span id="ui-id-1" class="ui-dialog-title">Быстрое редактирование</span><a href="#" class="ui-dialog-titlebar-close ui-corner-all" role="button"><span class="ui-icon ui-icon-closethick">close</span></a></div><div id="dlepopup-news-edit" class="dlepopupnewsedit ui-dialog-content ui-widget-content" style="width: auto; min-height: 0px; height: 398px;" scrolltop="0" scrollleft="0"><div style="width:100%;height:90%;overflow:auto;position:relative;">
<form name="ajaxnews12034" id="ajaxnews12034" metod="post" action="">
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<div style="padding-bottom:5px;">Заголовок статьи:&nbsp;&nbsp;<input type="text" id="edit-title-12034" class="ui-widget-content ui-corner-all" style="width:350px;padding: .5em;" value="John Newman - Love me again (Montano &amp; Pizzitola Bootleg)"></div>

<div style="padding-top:10px;"><strong>Ссылка на zippyshare:</strong>&nbsp;&nbsp;<input type="text" name="xfield[mp3]" id="xfield[mp3]" value="http://www55.zippyshare.com/v/7707648/file.html" class="ui-widget-content ui-corner-all" style="width:300px;padding: .5em;"></div><div style="padding-top:10px;"><strong>Размер файла:</strong>&nbsp;&nbsp;<input type="text" name="xfield[razmer]" id="xfield[razmer]" value="15,7" class="ui-widget-content ui-corner-all" style="width:300px;padding: .5em;"></div><div style="padding-top:10px;"><strong>Продолжительность:</strong>&nbsp;&nbsp;<input type="text" name="xfield[prodolzhitelnost]" id="xfield[prodolzhitelnost]" value="6:41" class="ui-widget-content ui-corner-all" style="width:300px;padding: .5em;"></div><div style="padding-top:5px;"><strong>Формат:</strong>&nbsp;&nbsp;<select name="xfield[kachestvo]"><option value="0" selected="">MP3, 320 Кбит</option>
<option value="1">MP3, 256 Кбит</option>
<option value="2">MP3, 192 Кбит</option>
<option value="3">MP3, 128 Кбит</option>
<option value="4">MP3, VBR</option>
<option value="5">WAV</option>
</select></div><div style="padding-top:10px;"><strong>Картинка к релизу:</strong>&nbsp;&nbsp;<input type="text" name="xfield[skrinshot]" id="xfield[skrinshot]" value="http://electrotunes.ru/image_size/2014-05-30/1401477284_artworks-000076281509-ql0tbu-t500x500.jpg" class="ui-widget-content ui-corner-all" style="width:300px;padding: .5em;"></div><div style="padding-top:10px;"><strong>Дата релиза:</strong>&nbsp;&nbsp;<input type="text" name="xfield[data]" id="xfield[data]" value="2014-04-11" class="ui-widget-content ui-corner-all" style="width:300px;padding: .5em;"></div>
<div style="padding-top:5px;padding-bottom:5px;">Указать причину редактирования: <input type="text" id="edit-reason-12034" class="ui-widget-content ui-corner-all" style="width:250px;padding: .4em;" value="">&nbsp;&nbsp;<input type="checkbox" name="allow_br_12034" id="allow_br_12034" value="1" checked="">&nbsp;<label for="allow_br_12034">Автоперенос строк</label></div>
</div>
</form>
</div></div><div class="ui-resizable-handle ui-resizable-n" style="z-index: 1000;"></div><div class="ui-resizable-handle ui-resizable-e" style="z-index: 1000;"></div><div class="ui-resizable-handle ui-resizable-s" style="z-index: 1000;"></div><div class="ui-resizable-handle ui-resizable-w" style="z-index: 1000;"></div><div class="ui-resizable-handle ui-resizable-se ui-icon ui-icon-gripsmall-diagonal-se ui-icon-grip-diagonal-se" style="z-index: 1000;"></div><div class="ui-resizable-handle ui-resizable-sw" style="z-index: 1000;"></div><div class="ui-resizable-handle ui-resizable-ne" style="z-index: 1000;"></div><div class="ui-resizable-handle ui-resizable-nw" style="z-index: 1000;"></div><div class="ui-dialog-buttonpane ui-widget-content ui-helper-clearfix"><div class="ui-dialog-buttonset"><button type="button" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" role="button" aria-disabled="false"><span class="ui-button-text">Отмена</span></button><button type="button" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" role="button" aria-disabled="false"><span class="ui-button-text">Сохранить</span></button></div></div></div>