.menu_left {
    font-family: Verdana, Geneva, Arial, Helvetica, sans-serif;
    bottom: 50px;
    left: 20px;
    position: absolute;
    top: 130px;
    width: 220px;
    overflow-x: hidden;
    overflow-y: auto;
}
.menu_left ul {
    cursor: pointer;
    margin: 0; 
    padding: 0;
    list-style-type: none;
}
.topitem {
    font-size: 10pt;
    margin-top: 10px;
    margin-bottom: 7px;
}
.topitem:hover {
    font-weight: bold;
    margin-top: 10px;
    margin-bottom: 7px;
}
.subitem {
    font-size: 9pt;
    margin-left: 35px;
    margin-bottom: 5px;
}
.subitem:hover {
    font-weight: bold;
}