.blog-cat .nav-side>li:nth-child(n+9){
            display: none;
        }
        .blog-cat .nav-side>li.showmore{
            list-style: none;
            margin-left: 0;
            display: block;
        }
        .btn-showmore-cat{
            font-size: 18px;
            background: transparent;
            border: 0;
            padding: 10px 15px;
        }
        .btn-showmore-cat i{
            margin-left: 10px;
        }
        .btn-showmore-cat.active i{
            transform: rotate(180deg);
        }