.header__navigation .menu-level-0 li:nth-last-child(3) a,
.left-menu--open .menu-level-0 li:nth-last-child(3) a {
    position: relative;
}

.header__navigation .menu-level-0 li:nth-last-child(3) a::before,
.left-menu--open .menu-level-0 li:nth-last-child(3) a::before {
    content: '';
    display: block;
    position: absolute;
    top: 20%;
    right: 50%;
    width: 40px;
    height: 20px;
    background: transparent url("/sites/default/files/generic_image/new_icon_2.png") no-repeat center;
    background-size: cover;
    transform: translateY(-50%);
}
.header__navigation .menu-level-1 li:nth-last-child(3) > a::before {
    background: none;
}

@media (min-width: 1025px) {
    .header__navigation .menu-level-0 li:nth-last-child(3) a::before,
    .left-menu--open .menu-level-0 li:nth-last-child(3) a::before {
        top:-3px;
        right: 0;
        transform: translateY(-55%);
    }
}