.main_menu_block-container{
    position: absolute;
    left: 0;
    top: 40px;
    width: calc(100% - 20px);
    margin: 0 10px;
    display: none;
}

.main_menu_block-inner{
    width:100%;
    border-radius: 0 0 10px 10px;
    background: #efefef;
    padding: 30px 20px 50px 5px;
    margin-top: 35px;
    display: flex;
    justify-content: space-between;
}

.main_menu_block .nav-link{
    padding: 5px 0!important;
    height: 30px;
    margin: 0 10px;
    cursor: pointer;
    transition:0.5s;
}

.header_block .main_menu_block .nav-item_second a {
    text-transform: unset;
    white-space: nowrap;
}
.main_menu_block .nav-item_second{
    padding-bottom: 20px;
}
.main_menu_block .nav-item_second .nav-link{
    border-bottom: 1px solid #000;
}

.main_menu_left-block{
    width:250px;
}

.main_menu_middle-block{
    width: calc(100% - 150px);
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.main_menu_middle-block ul{
    margin-left: calc(11% - 48px);
    margin-bottom: 20px;
    width: 27%;
}



.main_menu_right-block{
    width: 100px;
}

.main_menu_block .nav-item:hover{
    color: #21a038;
    border-bottom: 1px solid #21a038!important  ;
}


@media(min-width: 1024px)
{
    .main_menu_block .nav-item:hover .main_menu_block-container{
        display: block;
    }
}


@media(max-width: 1300px)
{
    .main_menu_middle-block ul{
        width: 43%;
    }
}

@media(max-width: 1024px)
{
    .navbar-nav.main_menu_block .nav-item {
        flex-direction: column;
        border-bottom: 1px solid rgba(60, 60, 60, 0.1);
        margin-right: 20px;
    }
    .main_menu_block-inner{
        margin:0;
    }
    .navbar-expand-md .navbar-nav .nav-link {

    }

    .main_menu_block .nav-item > .nav-link{
        padding: 10px!important;
        height: 100%;
        justify-content: space-between;
        display: flex;
    }

    .main_menu_block .nav-item.open .nav-link{
        justify-content: flex-start;
    }

    .main_menu_block .nav-item > .nav-link:after{
        content: '';
        background-image:url(/local/templates/okna/images/Arrow2Stroke.svg);
        width: 9px;
        height: 13px;
    }

    .main_menu_block .nav-item > .nav-link:before{
        content: none;
    }

    .main_menu_block .nav-item.open > .nav-link:after{
        content: none;
    }

    /*.main_menu_block .nav-item.open > .nav-link:before{
        content: '';
        background-image:url(/local/templates/okna/images/Arrow2Stroke.svg);
        width: 9px;
        height: 13px;
        transform: rotate(180deg);
        margin-right: 10px;
        margin-top: 3px;
    }*/

    .main_menu_middle-block ul{
        margin-left: 0;
    }

    .main_menu_middle-block{
        width:100%;
        height: calc(100vh - 249px);
        overflow: auto;
    }
    .header_block .main_menu_block {
        padding-top: 30px;
    }
    .header_block .main_menu_block{
        flex-direction: column;
    }

    .main_menu_left-block,
    .main_menu_right-block
    {
        display: none;
    }

    .main_menu_block-inner{
        padding: 30px 20px 0px 5px;
    }

    .main_menu_block-container{
        position: relative;
        top: 0px;
        margin: 0;
    }

    .header_block_nav__menu {
        padding-right: 0px;
    }

    .main_menu_block .nav-item:hover{
        //border-bottom: 1px solid rgba(60, 60, 60, 0.1);
    }
    .main_menu_block .nav-item.hidden{
        display:none;
    }

    .nav-item.open .main_menu_block-container{
        display:block;
    }
}

@media(max-width: 768px)
{
    .main_menu_middle-block ul {
        width: 100%;
    }
}