无标题文档 - 锐客网
="text/css">
.on
{
width: 500px;
height:100px;
background:#F80004;
}
.dd
{
margin-left: 500px;
width: 600px;
height: 600px;
background-color: #000DFF;
display: none;
}
.on:hover .dd {
display:block
}
箭头
无标题文档 - 锐客网
="text/css">
.on
{
width: 500px;
height:100px;
background:#F80004;
}
.dd
{
margin-left: 500px;
width: 600px;
height: 600px;
background-color: #000DFF;
display: none;
}
.on:hover .dd {
display:block
}
箭头
