.highlight{position:relative}.copy-code-button{position:absolute;top:.5rem;right:.5rem;padding:4px 8px;background-color:#4a5568;color:#fff;border:none;border-radius:4px;font-size:.75rem;cursor:pointer;opacity:0;transition:opacity .2s ease-in-out}.highlight:hover .copy-code-button{opacity:1}.copy-code-button:hover{background-color:#2d3748}.copy-code-button:active{background-color:#1a202c}