.jiaoshixm{
float:left; width:120px; margin-left:15px; margin-bottom:10px; text-align:center; border:#CCC solid 1px; background-color:#DCECFB;}
.none{
display:none;}

.jiaoshixm a{
    color: #333;
    font-size: 12px;
    text-decoration: none;}
.mks-sub-nav,

.mks-sub-nav *
{
padding:0;
margin:0;
list-style-type:none;}
.mks-sub-nav > li > a{
width:190px;

display:block;
line-height:32px;
margin:0 0 10px 0;
padding:0 0 0 30px;
border:1px solid #ccc;
text-align: left;
background:#fff url(images/arrow.png) no-repeat 10px 50%;}

.mks-sub-nav > li ul{
display:none;}

.mks-sub-nav > li.hover ul{
display:block;}

.mks-sub-nav > li.hover ul li a{
width:220px;

display:block;
line-height:32px;
margin:0 0 10px 0;
padding:0 0 0 0px;
border:1px solid #ccc;
text-align: left;
background:#fff ;}