div背景消失
我有3个div
<table width="900" border="0" cellpadding="0" cellspacing="0" style="border-spacing:0px;">
<tr>
<td style="width:300px">
<div id="tab1" class="tab1selected tab_buttons"></div>
</td>
<td style="width:300px">
<div id="tab2" class="tab2unselected tab_buttons"></div>
</td>
<td style="width:300px">
<div id="tab3" class="tab3unselected tab_buttons"></div>
</td>
</tr>
</table>
这3个div在select,unselect和hover时都有背景图片
id=tab3的div在hover时背景消失
css:
.tab3selected {
width: 270px;
height: 60px;
background: url(../images/detail_itinerary_inclusion_hover.jpg) no-repeat;
}
.tab3unselected {
width: 270px;
height: 60px;
background: url(../images/detail_itinerary_inclusion.jpg) no-repeat;
}
.tab3unselected:hover {
background: url(../images/detail_itinerary_inclusion_hover.png) no-repeat;
}
这3个div是一样设置的,只有第3个有问题