ul,
li {
    list-style: none;
}

a,
a:hover,
a:active,
a:link {
    text-decoration: none;
    color: #3d3d3d;
}

#nav_box {
    width: 160px;
    height: 250px;
    overflow: hidden;
    margin-top: 40px;
    position: fixed;
    display: none;
    display: block;
}

#nav_box #nav-mainbox {
    padding: 0;

}

#nav-mainbox li {
    background-color: #444d59;
    font-size: 14px;
    position: relative;
    line-height: 40px;
    cursor: pointer;
    border-bottom: 1px solid #dedede;
    border-bottom-style:inset;

}

#nav-mainbox li a{
    color: white;
}


#nav-mainbox li:hover{
    background-color: #ADADAD;
}
.shead{
    position: relative;
    width: 40px;
    height: 40px;
    top: 10px;
    padding: 10px;

}
.sfoot{
    position: relative;
    width: 40px;
    height: 40px;
    margin-left: 20px;

}
#nav-mainbox li ul{
    padding: 0;
}

#nav-mainbox li ul li {
    position: relative;
    padding-left: 70px;
    background-color: #3d3d3d;
    border-bottom: 1px solid #dedede;
    border-right: 1px solid #dedede;
}
#nav-mainbox li ul li:hover{
    background-color: #ccc;
}