このテーマの補完の名称をご存知の方はいらっしゃいますか？

[David_Ghost]

これについてどう思いますか？

Background SVG distinguished posts

It looks like their implementation goes beyond simple CSS changes because that SVG is added to the markup, but this should also be possible with CSS alone… I think this should get you most of the way there .topic-post.moderator { position: relative; &:before { content: ""; position: absolute; display: block; width: 100px; height: 100px; background: url('data:image/svg+xml;utf8, <svg aria-hidden="true" focusable="false" role="img" xmlns="http://www.w3.org/2000/svg" v…