div.highlight{position:relative}.copy-code-btn{position:absolute;top:4px;right:4px;display:flex;align-items:center;justify-content:center;padding:4px;border:none;border-radius:4px;cursor:pointer;color:#c9d1d9;background:#30363d}.copy-code-btn:hover{background:#484f58}.copy-code-btn.copied{color:#3fb950}