.passage-audio {
    height: 2em;
}
#passage-audio {
    width: 100%;
    max-height: 2em;
}
#passage-text.speaking {
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
.playback-rate {
    font-size: smaller;
}
.playback-rate label {
    font-weight: bold;
}
.initialized span[data-begin]:focus,
.initialized span[data-begin]:hover {
    background-color: #FFFFCA;
    box-shadow: 0px 0px 4px #FFFFCA;
}
.initialized span[data-begin].speaking {
    background-color: yellow;
    box-shadow: 0px 0px 4px yellow;
}
.initialized span[data-begin] {
    cursor: pointer;
}