#api-menu {
    list-style: none;
    padding: 0;
    font-size: 14px;
    margin-left: 0px;
    position:sticky;
}
#api-menu li:last-child{
    border-bottom: none;
}
#api-menu li{
    border-bottom: 1px solid #EAEAEA;
}
#api-menu.fixed{
    display:block;
    position: fixed;
    top: 0;

    z-index:1000;
}
#api-menu.fixed-down{
    display:block;
    position: fixed;
    z-index:1000;
} 
#api-menu li a {
    padding: 12px 0;
    line-height: 18px;
    color: #808080;
    text-decoration: none;
    display: block;
    transition: .15s;
}
#api-menu .sub > a{
        padding: 12px 0;
}
#api-menu li a:hover {
    font-weight: normal;
    color: #808080;
    background-color: #F1F1F1;
    padding-left: 12px;
}
#api-menu li ul li a:hover {
    padding-left: 34px;
}
#api-menu li a.active {
    font-weight: bold;
    color: #000000;
}
#api-menu li ul {
    display:none;
    list-style: none;
    margin: 0;
    padding:0
}
#api-menu li ul li a {
    font-size: 12px;
    padding:10px 22px;
    background:#fff;
    /*border-bottom:1px dotted #ccc*/
}
#api-menu li ul li a:after {
    content: "";
    float: left;
    margin-right:6px;
    line-height: 1em
}
#api-menu li.sub > a:before {
    content:'';
    height:6px;
    width:6px;
    display:block;
    border:1px solid #808080;
    border-right-width:0;
    border-top-width:0;
    -ms-transform:rotate(-45deg);
    -webkit-transform:rotate(-45deg);
    transform:rotate(-45deg);
    position: relative;
    top: 5px;
    float: right;
    right: 10px;
}
#api-menu li.sub > a:hover:before,
#api-menu li.sub > a.active:before{
    border:1px solid #000;
    border-right-width:0;
    border-top-width:0;
}
#api-menu.fixed {
    position:fixed;
    top: 90px;
}
#api-menu.fixed > li{
    background-color: #fff;
}
#api-menu.fixed > li:first-child{
    background-color: transparent;
}
@media (max-width: 768px) {
    #api-menu.fixed {
        position: initial;
        top: initial;
    }

}