Yii jquery ui tabs default styles:

```
<ul class="ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all">
<li class="ui-state-default ui-corner-top"><a title="#yw0_tab_0" href="#yw0_tab_0">test</a></li>
<li class="ui-state-default ui-corner-top ui-tabs-selected ui-state-active"><a title="#yw0_tab_1" href="#yw0_tab_1">test title</a></li>
<li class="ui-state-default ui-corner-top"><a title="#yw0_tab_2" href="#yw0_tab_2">test content</a></li>
</ul>

```

Now, I want to modify 

```
<ul class="ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all">

```

to

```
<ul class="ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-corner-top">

```

How can I do it in Yii framework? Please answer in details, thanks.