.main_menu {
    margin: 0px !important;
    padding: 0px;
    display: -ms-flexbox;
    display: -webkit-box;
    display: flex;
    -ms-flex-pack: justify;
    -webkit-box-pack: justify;
    justify-content: space-evenly;
}

    .main_menu > li {
        display: block;
        height: 100px;
        position: relative;
        line-height: 100px;
        /* background-color: rgb(146, 0, 0); */
        cursor: pointer;
        padding: 0px 10px;
        transition: all 0.3s ease-in-out;
    }
    .main_menu > li:hover {
        /* background-color: rgb(125, 0, 0); */
    }
    .main_menu > li > a {
        /* color: rgb(255, 255, 255); */
        color: #333;
        text-transform: uppercase;
        font-size: 16px;
    }

    .main_menu > li > .sub_menu {
        display: none;
        width: auto;
        position: absolute;
        top: 100%;
        left: 0px;
        /* background-color: rgb(125, 0, 0); */
        background-color: #fff;
        padding: 30px 0px 15px 30px;
    }
    .main_menu > li:hover .sub_menu, .main_menu > li:hover .sub_menu .sub_menu_chains {
        display: flex;
        z-index: 2;
    }
    .main_menu > li > .sub_menu .sub_menu_chains > .col {
        display: inline-block;
        margin-right: 30px;
        min-width: 150px;
    }

    .main_menu > li > .sub_menu .sub_menu_chains > .col .title {
        /* color: rgb(255, 255, 255); */
        color: #333;
        font-family: Arial, sans-serif;
        font-size: 12px;
        line-height: 14px;
        font-weight: bold;
        text-transform: uppercase;
        margin: 0px 0px 20px;
        border-bottom: 1px solid rgb(255, 255, 255);
    }

    .main_menu > li > .sub_menu .sub_menu_chains > .col ul {
        padding-left: 30px;
    }

    .main_menu > li > .sub_menu .sub_menu_chains > .col ul li {
        line-height: 12px;
        margin-bottom: 15px;
    }
    .main_menu > li > .sub_menu .sub_menu_chains > .col ul li a {
        font-size: 12px;
        /* color: rgb(255, 255, 255); */
        color: #333;
    }