.navigation-block {
    background: #388e3c;
}

.top-menu {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.top-menu__item {
    position: relative;
}

.top-menu__link {
    display: block;
    padding: 12px 15px;
    color: #fff;
    font-weight: 600;
}

.top-menu__item:hover {
    background: #2e7d32;
}

/* Выпадающее меню */
.top-menu__dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 260px;
    background: #fff;
    border: 1px solid #ddd;
    z-index: 50;
}

.top-menu__item:hover > .top-menu__dropdown {
    display: block;
}

.top-menu__dropdown-link {
    display: block;
    padding: 10px 15px;
    color: #222;
}

.top-menu__dropdown-link:hover {
    background: #f1f1f1;
}