*[data-pronunciation] {
    cursor: help;
}

*[data-pronunciation]::after {
    opacity: 0.35;
    content: "🔊";
    transition: opacity 1s ease-in-out;
    display: inline-block;
    margin-left: 2px
}

*[data-pronunciation]:hover::after {
    animation-play-state: running;
    opacity: 1;
}