article.content div {
padding: 0.2rem 0.8rem; border-left: solid 3px $light-blue; font-size: 0.8rem; position: relative;
}
article.content div:before {
content: 'HTML'; position: absolute; left: -1.3rem; top: 0; bottom: 0; width: 1rem; font-size: 1.2rem; font-weight: bold; break-word: break-all; color: $light-blue; overflow-y: hidden;
}