.essa-lang-switcher {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 6px;
}
.essa-lang-switcher li a {
    display: inline-block;
    padding: 4px 10px;
    border: 1px solid currentColor;
    border-radius: 4px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    opacity: .6;
    transition: opacity .15s;
}
.essa-lang-switcher li a:hover,
.essa-lang-switcher li.current a { opacity: 1; }