.one-middle-content,.only-show-one {
    display: none;
}
.one-middle-content.active,.only-show-one.active {
    display: block;
}
.article.current-article {
    max-height: calc(100vh - 180px);
    overflow-y: scroll;
}
.post-comment-form {
    display: none;
}
.post-comment-form.show {
    display: block;
}