.code-clipboard-btn{background:var(--surface-2);border:1px solid var(--surface-4);border-radius:var(--radius-2);color:var(--text-3);cursor:pointer;font-family:inherit;font-size:var(--font-size-0);opacity:0;padding:.2rem .5rem;position:absolute;right:.4rem;top:.4rem;transition:opacity .15s ease;&:hover{background:var(--surface-3)}&.copied,&:hover{color:var(--text-1)}&.copied{opacity:1}}.code-clipboard-btn:focus-visible,pre:focus-within .code-clipboard-btn,pre:hover .code-clipboard-btn{opacity:1}