.book-langs-index {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.book-langs-index .inner {
    text-align: center;
}

.book-langs-index h3 {
    color: #333;
    font-size: 1.5em;
    margin-bottom: 1em;
}

.book-langs-index .languages {
    list-style: none;
    padding: 0;
    margin: 0;
}

.book-langs-index .languages li {
    margin: 0.5em 0;
}

.book-langs-index .languages a {
    color: #4183c4;
    text-decoration: none;
    font-size: 1.2em;
}

.book-langs-index .languages a:hover {
    text-decoration: underline;
}