article.main {
    display: grid;
    grid-template-columns: 3fr 1fr;
}

.content {
    padding: 20px 20% 20px 100px;
    overflow: hidden;
}

.list-of-content {
    padding: 0 20px 20px 20px;
    border-left: 1px solid var(--border-color);
}

.list-of-content {
    padding: 0 20px 20px 20px;
    position: sticky;
    top: 0;
    height: calc(100vh - 80px);
}

.list-of-content > a {
    margin: 12px 0 24px 0;;
    display: block;
    width: fit-content;
    max-width: 100%;
}

article .content h2 {
    padding-top: 40px;
}

.list-of-content ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

@media screen and (max-width: 1279px) {

    .list-of-content{
        display: none;
    }

    .content {
        padding: 0 12px 40px 12px;
    }

    article.main {
        grid-template-columns: auto;
    }

}