.clock {position: relative; width: 150px; height: 150px; margin: 0 auto; background-image: url('assets/clock_face.png'); background-repeat: no-repeat; background-position: center; left: 100px; top: 5px; overflow: hidden}

* html .clock {background-position: 18px 18px}

.shine {position: relative; margin: 27px 36px; z-index: 100}

.hours, .minutes, .seconds {display: block; position: absolute; overflow: hidden}

.hours {z-index: 1}
.minutes {z-index: 2}
.seconds {z-index: 3}