.header__menu__item_active{
    font-weight: 500;    
}                

.header__menu .mobile-only {
    display: none;
}

@media (max-width: 1000px) {
    .header__menu .mobile-only {
        display: block;
    }
    
    .header__menu .mobile-only a {
        display: inline;
        padding: 3px 8px;
        background: #C7DDF0;
        border-radius: 20px;
    }
}