#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;
}

.initialized span[data-begin].speaking {
    /* background-color: yellow; */
    color: red;
/*    box-shadow: 0px 0px 4px yellow; */
}


/* xhtml.-ibooks-media-overlay-enabled p#raplay {
   display: none;
   }
xhtml.-ibooks-media-overlay-enabled p#rastop {
display: block;
}

xhtml.-ibooks-media-overlay-enabled p#rass {
color:red;
} */