article.post {
    border: var(--post-border);
    width: 100%;
    padding: 0.625rem 1.25rem;
    background-color: var(--post-background-color);
}
.title h2 {
    background-color: var(--base-color);
    color: #fff;
    padding: 0.1em 0.2em;
    outline: 4px solid var(--base-color);
    border: 2px solid #fff;
    border-left: 8px solid #fff;
    font-weight: 400;
}
.post video {
    width: 100%;
}
/* post list */
.post-list {
    grid-area: 1/3;
    position: sticky;
    top: 1em;
}

.post-list a {
    color: var(--main-text-color);
    display: block;
    padding-block-end: 0.5em;
}

.post-list .current {
    color: var(--main-color);
    pointer-events: none;
}

.post-list a:hover {
    color: var(--main-color);
}