body {
    font-family: sans-serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}

.description {
    background: #f0f0f0;
    padding: 1em;
    margin-bottom: 2em;
    border-radius: 5px;
    font-style: italic;
}

.src {
    margin-top: 1em;
}

.tgt {
    margin-left: 1em;
    color: #555;
}

button.speak-btn {
    margin-left: 0.5em;
    cursor: pointer;
    border: none;
    background: transparent;
    font-size: 1.2em;
}

button.speak-btn:hover {
    transform: scale(1.2);
}

.footer {
    margin-top: 3em;
    border-top: 1px solid #ccc;
    padding-top: 1em;
    font-size: 0.9em;
    color: #777;
    text-align: center;
}

pre {
    background: #f6f8fa;
    padding: 0.75em;
    overflow-x: auto;
    border-radius: 5px;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}