/* -------- menu-bar 底部菜单 -------- */
#menu-bar{
    position: absolute;
    bottom: 0;
    left: 0;

    width: 100%;
    height: auto;

    background-color:rgba(20,33,53,0.65);
    box-shadow: 0 1px 5px 0 rgba(0,0,0,0.25);
    border-radius:0.1rem .1rem 0 0;

    font-size: .25rem;
    padding: .1rem ;
}
#menu-bar ul{
    width: 100%;
    height: 100%;

    display: flex;
    display: -webkit-flex; /* Safari */
    justify-content: space-around;
    align-items: center;
}
#menu-bar ul li{
    overflow:hidden;
    width: .6rem;
    height: .6rem;

    display: flex;
    display: -webkit-flex; /* Safari */
    justify-content: space-around;
    align-items: center;

    border-radius:.08rem;
    cursor: pointer;
    float: left;

    background-color: rgba(20,33,53,0.85);
    box-shadow: 0 4px 5px 0 rgba(0, 0, 0, 0.14), 0 1px 10px 0 rgba(0, 0, 0, 0.12), 0 2px 4px -1px rgba(0, 0, 0, 0.4);
}
#menu-bar ul li.active{
    border: 1px #ffcc33 dashed;
}
#menu-bar ul li .fas{
    font-size: .5rem;
    color:#ffffff;
}