#sidebar:hover{
    width:312px;
}
#sidebar .ch:hover{
    height:300px;
}

#nav ul li ul{
    display:none;
}

#nav ul li ul li{
    height:17px;
}

#nav ul li:hover ul {
    padding-top: 4px;
    display:table;
}
#nav ul li ul li, /* submenu item */
#nav ul li ul li ul li{
    height:17px;
}

.event_overview_list tbody tr:hover,
.event_topic_list tbody tr:hover{
    background-color: #F0EFEF;
    cursor: auto;
}