.mobile-icon.iconfont{
    color:  #787d82;
    font-size: 20px;
    cursor: pointer;
}
.app-load{
    float: right;
    color: #787d82;
    line-height: 60px;
    font-size: 22px;
    display: block;
    width: 60px;
    text-align: center;
    height: 60px;
}
.app-load:hover .mobile-icon.iconfont{
    color: #fff;
}
.app-load:hover{
    color: #fff;
    transition: all .5s;
    -o-transition: all .5s;
    -webkit-transition: all .5s;
    -moz-transition: all .5s;
    background: #4d4e54;
}
.app-load.active{
    color:#fff;
    background: #363c41;
}
.app-load.active .mobile-icon.iconfont{
    color:#fff;
}