.dropmenudiv_c{
position:absolute;
top: 0;
border: 1px solid #a1a1a1; 
border-width: 0 1px;
font:normal 12px;
line-height:25px;
text-align:center;
z-index:100;
background-image:url(https://sssrc.jju.edu.cn/system/_owners/sssrc/_webprj/dfiles/12741/images/in_main_top2.jpg);
width: 200px;
visibility: hidden;}


.dropmenudiv_c a{
height:20px;
_height:15px;
width: auto;
display: block;
border: 0 solid #a1a1a1;
border-bottom-width: 1px;
padding: 7px 0;
_padding: 5px 0 4px 0;
text-decoration: none;
font-weight: bold;
color: #7e0701;}

* html .dropmenudiv_c a{ 
width: 100%;}

.dropmenudiv_c a:hover{ 
background-color: #eaeaea;
background-image:url(https://sssrc.jju.edu.cn/system/_owners/sssrc/_webprj/dfiles/12741/images/in_main_top.jpg);}