div,ul,li{padding:0px;margin:0px;}
.navcss{
z-index:2000;
display:block;
padding:60px 30px;/*如果加上视频模块，上下距离改成40px*/
width:140px;
height:155px;
position:fixed;
_position:absolute;

top:400px;
_top:800px;
left:15px;

background:url(../images/navbg.png) no-repeat;
zoom:1;
}
.live{background:url(../images/live.png) no-repeat;}
.pic{background:url(../images/pic.png) no-repeat;}
.video{background:url(../images/video.png) no-repeat;}
.tip{background:url(../images/tip.png) no-repeat;}
.back{background:url(../images/backweb.png) no-repeat;}
.live a:hover{
background:url(../images/live_hover.png) no-repeat;
}
.pic a:hover{
background:url(../images/pic_hover.png) no-repeat;
}
.video a:hover{
background:url(../images/video_hover.png) no-repeat;
}
.tip a:hover{
background:url(../images/tip_hover.png) no-repeat;
}
.back a:hover{
background:url(../images/backweb_hover.png) no-repeat;
}
.navcss ul li a{
display:block;
width:139px;
height:29px;
margin-bottom:12px;
cursor:pointer;
}