.bx-left-menu {
        margin-bottom: 30px;
    }
    .bx-left-menu__list {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    
    .bx-left-menu__link {
        display: block;
        position: relative;
        transition: all 0.3s ease;
     
    }
  
     .bx-left-menu__subitem--open .menu__link_parent {
        padding-bottom: 12px;
         border-bottom: 1px solid #eee;
     }
    .bx-left-menu__link--active {
        background: #0066cc;
        color: white;
        font-weight: bold;
    }
    .bx-left-menu__submenu {
        background: #fff;
       
        display: none;
        overflow: hidden;
        padding: 30px 20px;
    }
    .bx-left-menu__submenu--open {
        display: block;
    }
    .bx-left-menu__submenu .bx-left-menu__sublink::after {
        content: none;
    }
    .bx-left-menu__item .menu__link:hover {
         color: inherit; 
         border: none; 
    }
    .bx-left-menu__subsubmenu {
        background: #f8f9fa;
        border-left: 3px solid #ddd;
        display: none;
        overflow: hidden;
    }
    .bx-left-menu__subsubmenu--open {
        display: block;
    }
    .bx-left-menu__item--has-children > .bx-left-menu__link::after {
        position: absolute;
        content: "";
        display: block;
        right: 20px;
        top: 50%;
        width: 0;
        height: 0;
        border-color: #9d9794 transparent transparent;
        border-style: solid;
        border-width: 8px 7px 0;
        margin-top: -4px;
        -webkit-transition: all .4s 
        cubic-bezier(.36, .26, .19, 1.03);
        -o-transition: all .4s cubic-bezier(.36, .26, .19, 1.03);
        transition: all .4s 
        cubic-bezier(.36, .26, .19, 1.03);
    }
    
    .bx-left-menu__item--open > .bx-left-menu__link::after {
        transform: translateY(-50%) rotate(180deg);
    }
    .bx-left-menu__subitem--has-children > .bx-left-menu__sublink::after {
        content: '▶';
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 10px;
    }
    .bx-left-menu__subitem--open > .bx-left-menu__sublink::after {
        content: '▼';
    }
    .bx-left-menu__sublink {
        padding: 15px 15px 15px 25px;
        display: block;
        color: #555;
        text-decoration: none;
        position: relative;
       
    }
    /* .bx-left-menu__sublink:hover {
        background: #e9ecef;
        color: #0066cc;
    } 
    .bx-left-menu__sublink--active {
        background: #e3f2fd;
        color: #0066cc;
        font-weight: bold;
    }*/
    .bx-left-menu__subsublink {
        padding: 8px 15px 8px 35px;
        display: block;
        color: #666;
        text-decoration: none;
        border-bottom: 1px solid #f0f0f0;
    }
    /*.bx-left-menu__subsublink:hover {
        background: #f8f9fa;
        color: #0066cc;
    }
    .bx-left-menu__subsublink--active {
        background: #e3f2fd;
        color: #0066cc;
        font-weight: bold;
    }*/