问一下以下代码有什么作用，CSS代码吧，用在淘宝的页面里的？
第一段<div class="box J_TBox tshop-pbsm tshop-pbsm-ssd10c" data-spm="11041xWJ.2-dg3vJ.3-6u7hik" style="display: block; ">
<div class="shop-custom no-border ">
<div class="bd">
<div class="custom-area">
<div class="custom-area"><div class=""><div class="shop-bbs"><div class="handle" style="z-index:2147483647;top:-100px;left:-100px;"><div class="handle" style="z-index:2147483647;top:-100px;"><div class="J_TWidget hidden" data-widget-config="{
'trigger':'.tb-report',
'align':{
'node':'.tb-report',
'offset':[0,-90],
'points':['bl','tl']
}
}" data-widget-type="Popup" style="position: absolute; z-index: 9999; display: block; left: 1057px; top: 189px; visibility: hidden; "><div style="z-index:88888888;width:100px;height:90px;"> </div></div></div></div></div></div></div>
</div>
</div>
</div>
</div>
第二段
<div class="box" data-spm="1103RNmB.1-dzdST.3-6gr0oF">
<div class="shop-custom no-border">
<div class="bd">
<div class="custom-area">
<table border="0" cellpadding="0" cellspacing="0" class="J_TWidget design61 myapps-shortcat-arrow myapps-shortcut-arrow myapps-shortbug-box k-e-collapse-table" data-widget-config="{'fixed':true}" data-widget-type="Compatible" style="text-indent: 0px; width: 600px; display: block; background: no-repeat; height: 800px; right: 400px; top: 2%" width="27">
<tbody>
<tr>
<td class="design6101" height="57" style="padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px">
<div style="z-index: 25; margin-top: 0px; width: 517px; background: url(http://www.) no-repeat; height: 281px; margin-right: 0px">
</div>
</td>
</tr>
</tbody>
</table>
<div class="J_TWidget hidden" data-widget-config="{'trigger':'.design6101','align':{'node':'.design6101','offset':[-171,-160],'points':['bl','tl']}}" data-widget-type="Popup">
</div>
<div>
</div>
</div>
</div>
</div>
</div>
<p>
</p>
