/* Keep the Russian language option available with a red strike-through. */
.page-header .switcher-language-block [lang="ru-RU"],
.page-header .switcher-language-block a[lang="ru-RU"]:hover {
    text-decoration-line: line-through;
    text-decoration-color: #d32f2f;
    text-decoration-thickness: 2px;
}