.shiki { white-space: pre-wrap; } /* https://github.com/shikijs/shiki/issues/3 */ .shiki code { counter-reset: line-number; counter-increment: line-number 0; } .shiki code .line::before { content: counter(line-number); counter-increment: line-number; width: 2rem; margin-right: 1.5rem; display: inline-block; text-align: right; color: #aaa; }