.reveal .white { color: #eee }
.reveal .notransform { text-transform: none }

.operators {
    text-align: left;
    /* padding-left: 1.5em; */
    text-indent:3em;
    float: left;
    clear: left;
}
.operators strong { font-size: 67% }
.operators code { font-size: 50% }

.transparent-background {
    background-color: rgba(64, 64, 64, .8);
}