.collapsible-menu {
    width: 350px;
}
.collapsible-menu,
.collapsible-menu ul {
    margin: 0;
    padding: 0;
}
.collapsible-menu li {
    list-style: none;
}
.collapsible-menu > li > a {
    background: #27ae60 none no-repeat 3px 50%;
    color: #fff;
    cursor: pointer;
    display: block;
    font-weight: bold;
    padding: 2px 2px 2px 17px;
}
.collapsible-menu > li > a.collapsed {
    background-image: url('../images/expand.gif');
}
.collapsible-menu > li > a.expanded {
    background-image: url('../images/collapse.gif');
}
.collapsible-menu > li > ul {
    display: none;
}
.collapsible-menu > li > ul a {
    background: #2ecc71;
    border-top: 2px solid #fff;
    color: #fff;
    display: block;
    padding: 2px 2px 2px 10px;
}
.collapsible-menu > li > ul ul a {
    padding-left: 20px;
}
.collapsible-menu .footer {
    border-bottom: 10px solid #2ecc71;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    margin-bottom: 10px;
    padding-bottom: 2px;
}