.navbar.fixed-left {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    background-color: #f5f5f5;
    border-right: solid 1px #d7d7d7;
}

@media (min-width:992px) {
    .nav_main {
        overflow-x: hidden;
        overflow-y: auto;
    }
    .navbar.fixed-left {
        bottom: 0;
        flex-flow: column nowrap;
        align-items: flex-start;
        right: auto;
        width: 250px;
    }

    .navbar.fixed-left .navbar-collapse {
        flex-grow: 0;
        flex-direction: column;
        width: 100%
    }

    .navbar.fixed-left .navbar-collapse .navbar-nav {
        flex-direction: column;
        width: 100%
    }

    .navbar.fixed-left .navbar-collapse .navbar-nav .nav-item {
        width: 100%
    }

    .navbar.fixed-left .navbar-collapse .navbar-nav .nav-item .dropdown-menu {
        top: 0
    }

    .navbar-brand .logo {
        width: 100%;
        max-width: 350px;
    }

    .nav_main .navbar-nav .nav-item {
        flex-wrap: nowrap;
        margin-bottom: calc(10px + 2vh);
    }

    .nav_main .navbar-nav .nav-link {
        font-weight: 700;
        line-height: 1.25;
    }
    .nav_main .navbar-nav .nav-item .nav_icon {
        margin-right: 5px;
    }
    .nav_main .navbar-nav .nav-item .nav_icon img {
        max-width: 40px;
    }
}

@media (min-width:1199px) {
    .navbar.fixed-left {
        width: 290px;
    }
    .nav_main .navbar-nav .nav-item .nav_icon {
        min-width: 50px;
        margin-right: 15px;
    }
    .nav_main .navbar-nav .nav-item .nav_icon img{
       max-width: 50px;
    }
   
}

@media (min-width:1300px) {
    .navbar.fixed-left {
        width: 300px;
    }
    .nav_main .navbar-nav .nav-item .nav_icon {
        min-width: 70px;
        margin-right: 10px;
    }
    .nav_main .navbar-nav .nav-link {
        font-size: 18px;
    }
    .nav_main .navbar-nav .nav-item .nav_icon img{
        max-width: 60px;
     }
}

@media (min-width:1399px) {
    .navbar.fixed-left {
        width: 380px;
    }
    .nav_main .navbar-nav .nav-item .nav_icon {
        min-width: 85px;
        margin-right: 15px;
    }
    .nav_main .navbar-nav .nav-link {
        font-size: 20px;
    }
    .nav_main .navbar-nav .nav-item .nav_icon img{
        max-width: 70px;
     }
}

.nav_main .navbar-nav .nav-link {
    color: #c6c6c6;
}

.nav_main .navbar-nav .nav-link:focus,
.nav_main .navbar-nav .nav-link:hover {
    color: #000;
}

.nav_main .navbar-nav .nav-item .nav_icon {
    /* min-width: 85px; */
    filter: contrast(0) brightness(0);
    opacity: 0.3;
    transition: all 0.3s ease-in-out;
    -webkit-transition: all 0.3s ease-in-out;
}

.nav_main .navbar-nav .nav-item.active .nav_icon,
.nav_main .navbar-nav .nav-item:hover .nav_icon {
    opacity: 1;
}

.nav_main .navbar-nav .nav-item.active .nav-link,
.nav_main .navbar-nav .nav-item:hover .nav-link {
    color: #000;
}

@media (min-width:280px) and (max-width:991px) {
    .navbar-brand .logo {
        width: 100%;
        max-width: 190px !important;
    }

    .nav_main {
        font-weight: 700;
        font-size: 17px;
    }

    .nav_main .navbar-nav .nav-item {
        flex-wrap: nowrap;
        margin-bottom: calc(5px + 1vh);
    }

    .nav_main .navbar-nav .nav-item .nav_icon {
        min-width: 32px;
        max-width: 32px;
        margin-right: 10px;
    }

    .nav_main .navbar-nav .nav-item .nav_icon img {
        width: 100%;
        height: auto;
    }
    .nav_main .navbar-nav .nav-link {
       font-size: 16px;
    }
}


@media (max-width:1299px) {
    
}

@media (max-width:991px) {}