.post-read_page {
    display: grid;
    grid-template-columns: 400px 1fr 400px;
    font-size: 1.2rem;
}
.post-read_left {
    grid-column: 1;
    margin: 20px;
}

.post-read_page .post-read_content {
    grid-column: 2;
    border-inline: solid thin black;
    margin-block: 20px;
    padding: 20px;
    border-radius: 10px 20px;
}

.post-page {
    border: solid thin black;
}

.post_text {
    background-color: white;
    padding: 10px;
    font-size: 1.2rem;
}