h1 {
    font-size: 1.5em !important;
}

h2 {
    font-size: 1.5em !important;
}

.center {
    text-align: center;
}

.reveal .fragment.show-in {
    display: none;
}

.reveal .fragment.show-in.visible {
    display: inherit
}

.reveal .fragment.show-out {
    opacity: 1;
    visibility: inherit;
    display: inherit;
}

.reveal .fragment.show-out.visible {
    display: none
}