chamilo-lms2/main/inc/lib/javascript/readout_text/css/start.css

body {
    font-size: 25px;
    line-height: 1.25em !important;
    text-align: justify;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.text-highlight {
    -webkit-transition: color .3s linear, text-shadow .3s linear;
    -khtml-transition: color .3s linear, text-shadow .3s linear;
    -moz-transition: color .3s linear, text-shadow .3s linear;
    -ms-transition: color .3s linear, text-shadow .3s linear;
    transition: color .3s linear, text-shadow .3s linear;
}

.text-highlight.active {
    color: red;
    -webkit-text-shadow: 0px 0px 1px rgba(255, 0, 0, 1);
    -khtml-text-shadow: 0px 0px 1px rgba(255, 0, 0, 1);
    -moz-text-shadow: 0px 0px 1px rgba(255, 0, 0, 1);
    -ms-text-shadow: 0px 0px 1px rgba(255, 0, 0, 1);
    text-shadow: 0px 0px 1px rgba(255, 0, 0, 1);
    -webkit-transition: color .3s linear, text-shadow .3s linear;
    -khtml-transition: color .3s linear, text-shadow .3s linear;
    -moz-transition: color .3s linear, text-shadow .3s linear;
    -ms-transition: color .3s linear, text-shadow .3s linear;
    transition: color .3s linear, text-shadow .3s linear;
}

br {
    margin-bottom: 1em;
}