.leftMenu a {
     text-decoration: none;
     display: block;
    font-size: 16px;
 }
.leftMenu .f2 a {
    margin-bottom: 10px;
    font-size: 14px;
}

.leftMenu {
    background: #fff;
    left: -1000px;
    position: fixed;
    top: .44rem;
    display: block;
    height: 100%;
    width: 68%;
    min-width: 140px;
    max-width: 440px;
    z-index: 90002;
    transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    overflow: auto;
}

.leftMenu.menu-open {
    left: 0;
}

.leftMenu ul {
    list-style: none;
    padding: 0;
    overflow: hidden;
}

.leftMenu ul li {
    position: relative;
    padding: 10px 0 0 80px;
    overflow: hidden;
}
.leftMenu>div >ul> li{
    margin-bottom: 10px;
}

.leftMenu > div > ul > li.hasChild > a:after {
    content: "+";
    position: absolute;
    right: 20px;
    top: 0px;
    font-size: 24px;
    font-weight: 300;
}

.leftMenu > div > ul > li.hasChild.open > a:after {
    content: "-";
    right: 23px;
    font-size: 28px;
    top: -3px;
}

.f2, .f3 {
    height: 0;
    padding-left: 20px;
    overflow: hidden;
    position: relative;
    transition: height 0.4s ease;
    -moz-transition: height 0.4s ease;
    -webkit-transition: height 0.4s ease;
    -o-transition: height 0.4s ease;
}

.menu-dark-backdrop {
    background: rgba(0, 0, 0, 0);
    transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    width: 100%;
    position: fixed;
    top: .44rem;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.menu-dark-backdrop.in {
    height: 100%;
    z-index: 90001;
    background: rgba(0, 0, 0, 0.5);
}