.left-menu{
    float: left;
    width: 17.5%;
    color: #363636;
}
.content{
    float: left;
    width: 80%;
    margin-left: 25px;
}
.sub-menu li{
    background-color: #f9f9f9;
    margin-bottom: 1px;
    line-height: 34px;
    font-size: 13px;
}
.sub-menu li a{
    display: block;
    padding-left: 40px;
    position: relative;
}
.sub-menu li a:hover{
    text-decoration: none;
}
.sub-menu .active{
    background-color: #363636;
}
.sub-menu .active a{
    color: white;
}
.sub-menu .active a:hover{
    background-color: inherit;
}
.sub-menu ul li{
    background-color: #f9f9f9;
    margin-bottom: 1px;
    background-color: white;
}
.sub-menu a:hover{
    background-color: #ebebeb;
    cursor: pointer;
}
.sub-menu li li a{
    padding-left: 60px;
}
.sub-menu .sub-level > a:before{
    content: "";
    display: block;
    position: absolute;
    top: 35%;
    border-style: solid;
    border-width: 8px 5px 0 5px;
    border-color: #363636 transparent transparent transparent;
    left: 18px;
}
.sub-menu li li a:before{
    content: "";
    display: block;
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 2px;
    background-color: #363636;
    left: 45px;
    top: 50%;
}
.sub-level.convolute > ul {
    display: none
}
.sub-level.convolute > a:before{
	border-width: 5px 0 5px 8px;
	border-color: transparent transparent transparent #363636;
}