@media (max-width: 768px) {

    header .menu-item.menu-item-has-children > a {
        position: relative;
        display: flex;
        justify-content: space-between;
    }

    header .menu-item.menu-item-has-children > a 
    .open-menu-btn {
        position: static;
        background: color(1);
        padding: 0 10px;
        width: 40px !important;
        height: 100% !important;
        color: #fff;
        cursor: pointer;
        text-align: center;
        display: inline-block;
    }

    header .menu-item 
    .sub-menu {
        opacity: 1;
        position: static !important;
        visibility: visible;
        width: 100%;
        display: none;
        transition: none;
    }

}

.menu-item {
    position: relative;
    display: inline-block;
}

/* Hover menu-item */
.menu-item:hover .sub-menu, .menu-item .sub-menu.is-open {
    opacity: 1 ;
    visibility: visible ;
}

/* Current page item */
.menu-item.current_page_item a {
    position: relative;
}

.menu-item.current_page_item a:after {
    position: absolute;
    content: "";
    bottom: -3px;
    left: 0;
    width: 100% !important;
    height: 5px;
    opacity: 0.2;
}

/* Links */
.menu-item a {
    position: relative;
    display: inline-block;
    font-size: 17px;
    font-weight: 500;
    color: grey;
    transition: all 0.3s ease;
    text-decoration: none;
}

.menu-item a i {
    font-size: 12px;
    margin-left: 7px;
}

.menu-item a:after {
    position: absolute;
    content: "";
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
}

.menu-item a:hover:after {
    width: 100%;
}


.menu-item a .open-menu-btn {
    display: none;
}

/* Sub-menu */
.menu-item .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 350px;
    padding: 20px 30px;
    box-shadow: 0px 3px 3px 0px rgba(0,0,0,0.27);
    opacity: 0;
    visibility: hidden;
}

/* Desktop */
@media (min-width: 768px) {
    .menu-item .sub-menu {
        display: block !important;
    }
}

/* Sub-menu items */
.menu-item .sub-menu .menu-item {
    position: relative;
    display: block;
    margin-bottom: 10px;
}



/* Sub-menu links */
.menu-item .sub-menu .menu-item a {
    position: relative;
    display: inline-block;
}


.menu-item .sub-menu .menu-item a:hover:after {
    width: 100%;
}