.lib-chapters-list-grid {

    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    grid-gap: 13px;
}

.lib-chapters-list-list > * {
    display: block;
    margin-bottom: 1rem;
}

.lib-chapters-list-grid > * {
    background: #f3f3f3;
    padding: 1rem;
    text-decoration: none !important;
    transition: background-color .3s ease;
}

.lib-chapters-list-grid > *:hover {
    background: #e8e8e8;
}

@media (max-width: 1000px) {

    .lib-chapters-list-grid {

        grid-template-columns: 1fr 1fr 1fr 1fr;
    }
}

@media (max-width: 800px) {

    .lib-chapters-list-grid {

        grid-template-columns: 1fr 1fr 1fr;
    }
}

@media (max-width: 600px) {

    .lib-chapters-list-grid {

        grid-template-columns: 1fr 1fr;
    }
}