.left-sub-menu {
    background: rgb(0, 46, 106);
    position: fixed;
    z-index: 20;
    height: 100vh;
    left: -16vw;
    width: 20vw;
    padding-top: 15px;
    padding-left: 35px;
    padding-right: 15px;
    transition: 0.3s;
}

.left-sub-menu-catalog {
    background: rgb(0, 46, 106);
    position: fixed;
    z-index: 19;
    height: 100vh;
    left: -16vw;
    width: 20vw;
    padding-top: 15px;
    padding-left: 20px;
    padding-right: 15px;
    transition: 0.3s;
    border-left: 1px solid white;
}

.click-for-catalog {
    cursor: pointer;
    color: white;
}

.left-sub-menu-catalog ul li a {
    color: white;
}

.active-for-slide-menu {
    left: 16vw;
}

.active-for-sub-menu-catalog {
    left: 36vw;
}

@media screen and (-ms-high-contrast: active),
screen and (-ms-high-contrast: none) {
    .adv-mask-grid {
        left: 40px;
    }
    .adv-mask-block {
        width: 400px;
        margin-right: 15px;
        display: inline-block;
    }
    .bgnd-vd-msk-top-list li {
        display: inline-block;
    }
    .main-adv-block {
        margin-bottom: 20px;
    }
    .item-slider-block {
        background: rgb(28, 50, 104);
        padding-right: 40px;
        overflow: hidden;
        height: 300px;
    }
    .col-md-6 {
        width: 50%;
    }
}