Css网格时钟（动画）

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html

css

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html

css

*,
*:before,
*:after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #e53935;
  --shadow-color: #0e0e0e;
  --clock-color: #212121;
  /*Animations Time*/
  --s-animation-time: 10s;
  --m-animation-time: 60s;
  --h-animation-time: 20s;
  /*Real Time in Seconds*/
  --s-rotate-time: 60s;
  --m-rotate-time: 3600s;
  --h-rotate-time: 43200s;
  /*Rotate From*/
  --s-rotate-from: 0deg;
  --m-rotate-from: 0deg;
  --h-rotate-from: 0deg;
  /*Rotate To*/
  --s-rotate-to: 0deg;
  --m-rotate-to: 0deg;
  --h-rotate-to: 0deg;
}

html {
  font-size: 10px;
  scroll-behavior: smooth;
}

@media only screen and (max-width: 500px) {
  html {
    font-size: 7px;
  }
}

@media only screen and (max-width: 320px) {
  html {
    font-size: 5px;
  }
}

body {
  background-color: var(--primary-color);
  min-height: 100vh;
  font-family: "Saira Extra Condensed", sans-serif;
  font-weight: 500;
  font-size: 1.4rem;
  text-shadow: 0 0 0.1rem var(--clock-color);
}

section {
  background-color: var(--clock-color);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 10rem;
}

section.animation:before,
section.working:before {
  font-size: 2rem;
  color: var(--primary-color);
  position: absolute;
}

section.animation:before {
  content: "Real time \2193";
  bottom: 1.5rem;
}

section.working:before {
  content: "Animated \2191";
  top: 1.5rem;
}

.clock,
.clock-top,
.clock-center,
.hours-pointer {
  border-radius: 50%;
}

.clock {
  height: 45rem;
  width: 45rem;
  min-height: 45rem;
  min-width: 45rem;
  padding: 2rem;
  background-color: var(--clock-color);
  box-shadow: 1rem 0 2rem 0.5rem var(--shadow-color);
  -webkit-box-shadow: 1rem 0 2rem 0.5rem var(--shadow-color);
  -moz-box-shadow: 1rem 0 2rem 0.5rem var(--shadow-color);
  position: relative;
}

.clock-center {
  height: 100%;
  width: 100%;
  background-color: var(--primary-color);
  box-shadow: 0.4rem 0 0.8rem 0 var(--shadow-color);
  -webkit-box-shadow: 0.4rem 0 0.8rem 0 var(--shadow-color);
  -moz-box-shadow: 0.4rem 0 0.8rem 0 var(--shadow-color);
  display: grid;
  grid-template-rows: repeat(7, 1fr);
  grid-template-columns: repeat(7, 1fr);
  grid-template-areas:
    ". . . n12 . . ."
    ". . n11  . n1 . ."
    ". n10 . . . n2 ."
    "n9 . . . . . n3"
    ". n8 . . . n4 ."
    ". . n7 . n5 . ."
    ". . . n6 . . .";
}

.number {
  font-size: 3.2rem;
  color: var(--clock-color);
  line-height: 1;
  align-self: center;
  justify-self: center;
}

.number-1 {
  grid-area: n1;
  justify-self: end;
  align-self: start;
}
.number-2 {
  grid-area: n2;
  justify-self: end;
  align-self: start;
}
.number-3 {
  grid-area: n3;
  justify-self: start;
}
.number-4 {
  grid-area: n4;
  justify-self: end;
  align-self: end;
}
.number-5 {
  grid-area: n5;
  justify-self: end;
  align-self: end;
}
.number-6 {
  grid-area: n6;
  align-self: start;
}
.number-7 {
  grid-area: n7;
  justify-self: start;
  align-self: end;
}
.number-8 {
  grid-area: n8;
  justify-self: start;
  align-self: end;
}
.number-9 {
  grid-area: n9;
  justify-self: end;
}
.number-10 {
  grid-area: n10;
  justify-self: start;
  align-self: start;
}
.number-11 {
  grid-area: n11;
  justify-self: start;
  align-self: start;
}
.number-12 {
  grid-area: n12;
  align-self: end;
}

.clock-top,
.hours-container,
.hours-pointer {
  height: 100%;
  width: 100%;
}

.clock-top {
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hours-container {
  position: relative;
  z-index: 1;
  filter: drop-shadow(0.1rem 0 0.6rem var(--shadow-color));
  -webkit-filter: drop-shadow(0.1rem 0 0.6rem var(--shadow-color));
}

.hours-pointer {
  background-color: var(--clock-color);
  clip-path: polygon(
    -10% -10%,
    32% -10%,
    50% 50%,
    68% -10%,
    110% -10%,
    110% 110%,
    -10% 110%
  );
  -webkit-clip-path: polygon(
    -10% -10%,
    32% -10%,
    50% 50%,
    68% -10%,
    110% -10%,
    110% 110%,
    -10% 110%
  );
}

.sec-min-container {
  height: 3rem;
  width: 3rem;
  background-color: var(--clock-color);
  box-shadow: 0 0.1rem 1rem 0.1rem var(--shadow-color);
  -webkit-box-shadow: 0 0.1rem 1rem 0.1rem var(--shadow-color);
  -moz-box-shadow: 0 0.1rem 1rem 0.1rem var(--shadow-color);
  border-radius: 50%;
  position: absolute;
  z-index: 2;
}

.sec-container,
.min-container {
  height: 100%;
  width: 100%;
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
}

.sec-pointer {
  position: absolute;
  bottom: -4rem;
  height: 22rem;
  width: 0.2rem;
  border-radius: 0.1rem;
  background-color: var(--primary-color);
  box-shadow: 0 0.1rem 1rem 0.1rem var(--shadow-color);
  -webkit-box-shadow: 0 0.1rem 1rem 0.1rem var(--shadow-color);
  -moz-box-shadow: 0 0.1rem 1rem 0.1rem var(--shadow-color);
  z-index: 0;
}

.sec-container:before {
  content: "";
  position: absolute;
  height: 0.4rem;
  width: 0.4rem;
  border-radius: 50%;
  background-color: var(--clock-color);
  z-index: 2;
}

.sec-container:after {
  content: "";
  position: absolute;
  height: 1.2rem;
  width: 1.2rem;
  border: 0.2rem solid var(--primary-color);
  border-radius: 50%;
  background-color: #fff;
  z-index: 1;
}

.min-pointer {
  position: absolute;
  bottom: -1.5rem;
  height: 14rem;
  width: 0.2rem;
  border-radius: 0.15rem;
  background-color: #fff;
  box-shadow: 0.4rem 0.1rem 0.8rem 0.1rem var(--shadow-color);
  -webkit-box-shadow: 0.4rem 0.1rem 0.8rem 0.1rem var(--shadow-color);
  -moz-box-shadow: 0.4rem 0.1rem 0.8rem 0.1rem var(--shadow-color);
  z-index: 0;
}

/*
-- Animation
*/
.animation .sec-container {
  animation: animate-seconds var(--s-animation-time) infinite linear;
  -o-animation: animate-seconds var(--s-animation-time) infinite linear;
  -webkit-animation: animate-seconds var(--s-animation-time) infinite linear;
}

.animation .min-container {
  animation: animate-pointers var(--m-animation-time) infinite linear;
  -o-animation: animate-pointers var(--m-animation-time) infinite linear;
  -webkit-animation: animate-pointers var(--m-animation-time) infinite linear;
}

.animation .hours-pointer {
  animation: animate-pointers var(--h-animation-time) infinite linear;
  -o-animation: animate-pointers var(--h-animation-time) infinite linear;
  -webkit-animation: animate-pointers var(--h-animation-time) infinite linear;
}

@keyframes animate-seconds {
  0% {
    transform: rotateZ(0deg);
  }
  90% {
    transform: rotateZ(360deg);
  }
  100% {
    transform: rotateZ(0deg);
  }
}

@keyframes animate-pointers {
  to {
    transform: rotateZ(360deg);
  }
}

/*
-- Working
*/
.working .sec-container {
  transform: rotateZ(var(--s-rotate-from));
  animation: rotate-seconds var(--s-rotate-time) infinite linear;
  -o-animation: rotate-seconds var(--s-rotate-time) infinite linear;
  -webkit-animation: rotate-seconds var(--s-rotate-time) infinite linear;
}

.working .min-container {
  transform: rotateZ(var(--m-rotate-from));
  animation: rotate-minutes var(--m-rotate-time) infinite linear;
  -o-animation: rotate-minutes var(--m-rotate-time) infinite linear;
  -webkit-animation: rotate-minutes var(--m-rotate-time) infinite linear;
}

.working .hours-pointer {
  transform: rotateZ(var(--h-rotate-from));
  animation: rotate-hours var(--h-rotate-time) infinite linear;
  -o-animation: rotate-hours var(--h-rotate-time) infinite linear;
  -webkit-animation: rotate-hours var(--h-rotate-time) infinite linear;
}

@keyframes rotate-seconds {
  from {
    transform: rotateZ(var(--s-rotate-from));
  }
  to {
    transform: rotateZ(var(--s-rotate-to));
  }
}

@keyframes rotate-minutes {
  from {
    transform: rotateZ(var(--m-rotate-from));
  }
  to {
    transform: rotateZ(var(--m-rotate-to));
  }
}

@keyframes rotate-hours {
  from {
    transform: rotateZ(var(--h-rotate-from));
  }
  to {
    transform: rotateZ(var(--h-rotate-to));
  }
}

JavaScript

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