div#left_menu{
    /* position:fixed;
    z-index:100; */
    width:200px;
    background-color:white;
}

div#left_menu div.parent {
    font-size:1.5rem;
    font-weight:bold;
    height:170px;
    padding-top:30px;
    background-color: #eeeeee;
    border:1px solid silver;
    text-align:center;
}
div#left_menu div.parent div.title{
    color:#26417D;
}
div#left_menu div.parent div{
    font-size: 1.5rem;
}

/* leftmenu bar */
div#left_menu div.sibling {
    padding-top:15px;
    text-align:left;
    padding-left:20px;
    height:60px;
    border-bottom:1px solid silver;
}
div#left_menu div.active {
    background-color:#26417D;
}
div#left_menu div.sibling a{
    text-decoration: none;
    color:black;
    font-size: 1.3rem;
}
div#left_menu div.sibling span.play{
    float:right;
    color:white;
    padding-top:5px;
    padding-right:15px;
}
div#left_menu div.active {
    background-color:#26417D;
}
div#left_menu div.active a{
    color:white;
}
div#left_menu div.sibling:hover {
    background-color:#26417D;
}
div#left_menu div.sibling:hover a,div.active{
    color:white;
}
div#left_menu div.sibling:hover span.play{
    color:white;
}