3D时钟

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html

css

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html

css

@import url("https://fonts.googleapis.com/css?family=Oswald:700");
/* Recommended styles for Splitting */
.splitting .word,
.splitting .char {
  display: inline-block;
}

/* Psuedo-element chars */
.splitting .char {
  position: relative;
}

/**
 * Populate the psuedo elements with the character to allow for expanded effects
 * Set to `display: none` by default; just add `display: block` when you want
 * to use the psuedo elements
 */
.splitting .char::before,
.splitting .char::after {
  content: attr(data-char);
  position: absolute;
  top: 0;
  left: 0;
  visibility: hidden;
  transition: inherit;
  user-select: none;
}

/* Expanded CSS Variables */

.splitting {
  /* The center word index */
  --word-center: calc((var(--word-total) - 1) / 2);

/* The center character index */
  --char-center: calc((var(--char-total) - 1) / 2);

/* The center character index */
  --line-center: calc((var(--line-total) - 1) / 2);
}

.splitting .word {
  /* Pecent (0-1) of the word's position */
  --word-percent: calc(var(--word-index) / var(--word-total));

/* Pecent (0-1) of the line's position */
  --line-percent: calc(var(--line-index) / var(--line-total));
}

.splitting .char {
  /* Percent (0-1) of the char's position */
  --char-percent: calc(var(--char-index) / var(--char-total));

/* Offset from center, positive & negative */
  --char-offset: calc(var(--char-index) - var(--char-center));

/* Absolute distance from center, only positive */
  --distance: calc(
     (var(--char-offset) * var(--char-offset)) / var(--char-center)
  );

/* Distance from center where -1 is the far left, 0 is center, 1 is far right */
  --distance-sine: calc(var(--char-offset) / var(--char-center));

/* Distance from center where 1 is far left/far right, 0 is center */
  --distance-percent: calc((var(--distance) / var(--char-center)));
}

html, body {
  background: #222;
}

html {
  height: 100%;
  display: -webkit-box;
  display: flex;
}

body {
  margin: auto;
  width: 100%;
  overflow: hidden;
}

.clock {
  --time-offset: 0;
  width: 100%;
  height: 100%;
  background: rgba(34, 34, 34, 0.8);
  text-align: center;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
          justify-content: center;
  -webkit-box-align: center;
          align-items: center;
  height: 6em;
  color: #F1F1F1;
  font-family: monospace;
  font-size: 8vmin;
  font-family: 'Oswald', sans-serif;
  letter-spacing: 0.1em;
  -webkit-perspective: 500px;
          perspective: 500px;
  --h1: 1;
  --h2: 2;
  --m1: 3;
  --m2: 4;
  --s1: 5;
  --s2: 6;
}
.clock, .clock:before,
.clock * {
  box-sizing: border-box;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
}
.clock:before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: -webkit-gradient(linear, left top, left bottom, color-stop(20%, rgba(34, 34, 34, 0.9)), color-stop(transparent), color-stop(transparent), color-stop(80%, rgba(34, 34, 34, 0.9)));
  background: linear-gradient(to bottom, rgba(34, 34, 34, 0.9) 20%, transparent calc(50% - .4ch), transparent calc(50% + .4ch), rgba(34, 34, 34, 0.9) 80%);
  -webkit-transform: translateZ(2.6em);
          transform: translateZ(2.6em);
}

.colon {
  display: inline-block;
  opacity: 0.8;
  -webkit-transform: translateZ(2.5em);
          transform: translateZ(2.5em);
  width: 1ch;
  margin: 0;
  text-align: center;
}

.cog {
  position: relative;
  width: 1ch;
  height: 1ch;
  margin: -.25ch .1ch 0;
  display: inline-block;
  -webkit-transition: -webkit-transform 0.3s cubic-bezier(0.4, 0, 0.6, 1);
  transition: -webkit-transform 0.3s cubic-bezier(0.4, 0, 0.6, 1);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.6, 1);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.6, 1), -webkit-transform 0.3s cubic-bezier(0.4, 0, 0.6, 1);
  -webkit-transform: rotateX(calc(  -1turn *  (var(--unit) / var(--char-total)) ));
          transform: rotateX(calc(  -1turn *  (var(--unit) / var(--char-total)) ));
}
.cog .word,
.cog .char {
  position: absolute;
  top: 0%;
  left: 0%;
  width: 1ch;
  height: 1ch;
}
.cog .char {
  -webkit-transform: rotateX(calc( 4deg + (360deg * var(--char-percent) ))) translateZ(2.5em);
          transform: rotateX(calc( 4deg + (360deg * var(--char-percent) ))) translateZ(2.5em);
}

.tens {
  text-align: right;
}

.hours.tens {
  --unit: var(--h1);
}

.hours {
  --unit: var(--h2);
}

.minutes.tens {
  --unit: var(--m1);
}

.minutes {
  --unit: var(--m2);
}

.seconds.tens {
  --unit: var(--s1);
}

.seconds {
  --unit: var(--s2);
}

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