MMM-FlipClock.css

.tick {
    font-size: 1rem;
    white-space: nowrap;
}

.tick-flip,
.tick-text-inline {
    font-size: 5em;
}

.tick-label {
    margin-top: 1em;
    font-size: 1em;
}

.tick-char {
    width: 1.5em;
}

.tick-text-inline {
    display: inline-block;
    text-align: center;
    min-width: 0.3em;
}

.tick-text-inline+.tick-text-inline {
    margin-left: -.325em;
}

.tick-group {
    margin: 0 .5em;
    text-align: center;
}

body {
    background-color: #000000;
}

.tick-text-inline {
    color: #595d63;
}

.tick-label {
    color: #595d63;
}

.tick-flip-panel {
    color: #fff;
}

.tick-flip {
    min-width: 0em;
    letter-spacing: .1em;
    text-indent: .1em;
}

.tick-flip-panel-text-wrapper {
    line-height: 1.45;
}

.tick-flip-panel {
    background-color: #3c3e3c;
}

.tick-flip {
    border-radius: 0.12em;
}