为什么我看不到我的背景图片?
CSS
.arrow_icon
{
display: block;
width: 320px; // 25
height: 240px; // 25
background-image: url(http://s12.postimg.org/yi7yl766z/5b8nbn.jpg);
background-repeat: no-repeat;
}
.a1
{
background-position: 0px 0px;
}
HTML
<table border="3">
<tr>
<td><span id="a2" class="arrow_icon a6" isClicked="0"></span></td>
</tr>
</table>