.mermaid {
    white-space: pre;
}

.copy-code-button {
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: #fcfcfc;
    border: 1px solid #e1e4e5;
    border-radius: 3px;
    padding: 3px 6px;
    font-size: 11px;
    color: #404040;
    cursor: pointer;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.2s;
}

pre:hover .copy-code-button {
    opacity: 1;
}

.copy-code-button:hover {
    background-color: #f0f0f0;
    color: #2980b9;
}