.length {
    position: relative;
    display:inline-block;
    color: rgba(255, 255, 255, 0.7);
}
.length span {
    display: block;
    text-align: right;
    font-family: "Montserrat", Arial, sans-serif;
    text-decoration: none;
    cursor: pointer;
}
.length.active ul {
    display: block;
}
.length ul {
    margin-top:7px;
    z-index:999;
    display: none;
    position: absolute;
    right: 0;
    width: auto;
    top: 100%;
    background: #000000;
    border-radius: 10px;
    overflow: hidden;
}
.length ul li.active a {
    background: url("../img/ch.png") no-repeat calc(100% - 20px) center;
}
.length ul li:hover {
    background: #222222;
}
.length ul li a {
    display: block;
    padding: 5px 20px;
    color: #ffffff;
    text-decoration: none;
    font-family: "Montserrat", Arial, sans-serif;
}
.length-footer {
    padding-top: 20px;
}
.length-footer ul {
    top: -60px;
}