CSS动画天气图标

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html

css

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html

css

@import url('https://fonts.googleapis.com/css?family=Work+Sans:200');

:root {
  --shadow: #fd6f21;
  --ring: currentColor;
  --blend1: #fc5830;
  --blend2: #f98c24;
  --blend-from: 0%;
  --blend-to: 100%;
  --blend-dir: top right;
}

[icon] {
  flex: none;
  display: none;
  position: relative;
  font-size: calc(10em + 1vmin);
  width: 1em;
  height: 1em;
  margin: .3em;
  border-radius: 100%;
  box-shadow: 0 0 0 .05em var(--ring) inset, 0 0 .3em -.03em var(--shadow);
  background: linear-gradient( to var(--blend-dir), var(--blend1) var(--blend-from), var(--blend2) var(--blend-to));
/*   filter: saturate(0); */
}
/* [icon]:hover {
  filter: saturate(1);
} */
[icon]::after {
  content: attr(data-label);
  position: absolute;
  top: calc(100% + 1vmin);
  left: 50%;
  transform: translateX(-50%);
  font: inherit;
  font-size: .15em;
}
[icon='sunny'] {
  --shadow: #fd6f21;
  --blend1: #fc5830;
  --blend2: #f98c24;
  --blend-to: 65%;
}
[icon='cloudy'] {
  --shadow: #1378bb;
  --blend1: #1b9ce2;
  --blend2: #1378bb;
  --shadow: #c9e8de;
  --blend1: #758595;
  --blend2: #e0e2e5;
  --blend1: #1b9ce2;
  --blend-to: 65%;
  --blend-to: 90%;
}
[icon='snowy'] {
  --shadow: #c9e8de;
  --blend1: #758595;
  --blend2: #e0e2e5;
  --blend-to: 90%;
  --blend-dir: bottom left;
}
[icon='stormy'] {
  --shadow: #34c6d8;
  --blend1: #4b9cc2;
  --blend2: #9adbd9;
}
[icon='supermoon'] {
  --shadow: #5133a5;
  --blend1: #4054b2;
  --blend2: #aa4cba;
  --blend-to: 65%;
  --blend-dir: bottom right;
}

/* SUNNY */
/* --------------------- */
.sun {
  position: absolute;
  top: 20%;
  left: 80%;
  transform: translate(-50%, -50%);
  width: 40%;
  height: 40%;
  border-radius: 100%;
  background: #ffeb3b;
  box-shadow: 0 0 0 .02em var(--ring) inset, 0 0 .3em -.03em var(--shadow);
  transform-origin: .1em .1em;
}
.sun::after {
  content: '';
  position: absolute;
  top: .1em;
  left: 0;
  will-change: transform;
  transform: translate(-50%, -50%);
  width: .1em;
  height: .1em;
  border-radius: 100%;
  background: rgba(255, 255, 255, .1);
  box-shadow: 0 0 .1em 0 rgba(255, 255, 255, .3) inset, -.1em -.1em 0 .2em rgba(255, 255, 255, .1);
  animation: flare 12000ms infinite alternate linear;
}

/* CLOUDY */
/* --------------------- */
.cloud { 
  position: absolute;
  top: .1em;
  left: 65%;
  width: .37em;
  height: .13em;
  border-radius: .1em;
  background-color: #fff;
  box-shadow: 0 0 .1em .02em var(--ring) inset, 0 0 .3em -.03em var(--shadow);
  animation: move 3000ms infinite ease-in-out;
}
.cloud + .cloud {
  top: 25%;
  left: 40%;
  animation: move 3700ms infinite linear;
}
.cloud::before,
.cloud::after {
  content: '';
  position: inherit;
  border-radius: inherit;
  background-color: inherit;
  box-shadow: inherit;
  bottom: 30%;
}
.cloud::before {
  left: .05em;
  width: .2em;
  height: .2em;
}
.cloud::after {
  left: .15em;
  width: .15em;
  height: .15em;
}

/* SNOWY */
/* --------------------- */
[icon='snowy'] ul {
  position: absolute;
  list-style: none;
  top: 0%;
  left: 10%;
  right: 0%;
  height: 100%;
  margin: 0;
  padding: 0;  
}
[icon='snowy'] li::before,
[icon='snowy'] li::after {
  content: '';
  position: absolute;
  list-style: none;
  width: .015em;
  height: .01em;
  border-radius: 100%;
  background-color: var(--ring);
  will-change: transform, opacity;
  animation: snow 3700ms infinite ease-out;
  opacity: 0;
}
[icon='snowy'] li:nth-child(2n+1)::before,
[icon='snowy'] li:nth-child(13n+11)::after {
  top: -7%;
  left: 40%;
}
[icon='snowy'] li:nth-child(3n+2)::before,
[icon='snowy'] li:nth-child(11n+7)::after {
  top: 5%;
  left: 90%;
  animation-delay: 1000ms;
}
[icon='snowy'] li:nth-child(5n+3)::before,
[icon='snowy'] li:nth-child(7n+5)::after {
  top: -10%;
  left: 80%;
  animation-delay: 2000ms;
}
[icon='snowy'] li:nth-child(7n+5)::before,
[icon='snowy'] li:nth-child(5n+3)::after {
  top: 10%;
  left: 10%;
  animation-delay: 1300ms;
}
[icon='snowy'] li:nth-child(11n+7)::before,
[icon='snowy'] li:nth-child(3n+2)::after {
  top: 20%;
  left: 70%;
  animation-delay: 1500ms;
}
[icon='snowy'] li:nth-child(13n+11)::before,
[icon='snowy'] li:nth-child(2n+1)::after {
  top: 35%;
  left: 20%;
  animation-delay: 500ms;
}
.snowman {
  position: absolute;
  bottom: 30%;
  left: 40%;
  width: .15em;
  height: .15em;
  opacity: .9;
  background: var(--ring);
  border-radius: 100%;
}
.snowman::after {
  content: '';
  position: absolute;
  top: 90%;
  left: 30%;
  transform: translate(-50%, 0%);
  width: .275em;
  height: .3em;
  border-radius: inherit;
  background-color: var(--ring);
}
.snowman::before {
  content: '';
  position: absolute;
  top: 0%;
  left: 50%;
  transform: translate(-55%, -50%);
  width: .45em;
  height: .4em;
  border-radius: 60%;
  border: .02em solid transparent;
  border-bottom-color: var(--blend1);
  will-change: border-radius;
  animation: snowman 9000ms infinite ease-in;
}

/* STORMY */
/* --------------------- */
[icon='stormy']::before {
  --shadow: rgba(255, 255, 255, 0);
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: .05em;
  border-radius: 100%;
  opacity: .4;
  will-change: background-color;
  animation: flash 2300ms infinite linear 80ms;
}
[icon='stormy'] .cloud {
  --shadow: #c9e8de;
  --ring: #f0f2f0;
  background-color: var(--shadow);
  font-size: 1.3em;
  left: 50%;
  will-change: background-color, transform, opacity;
  animation: flash 2300ms infinite linear, move 3700ms infinite linear;
}
[icon='stormy'] ul {
  position: absolute;
  list-style: none;
  top: 0%;
  left: 70%;
  right: 0%;
  height: 100%;
  margin: 0;
  padding: 0;  
}
[icon='stormy'] li,
[icon='stormy'] li::before,
[icon='stormy'] li::after {
  position: absolute;
  width: .005em;
  height: .02em;
  border-radius: 10%;
  background-color: #eee;
  opacity: 0;
  will-change: transform, opacity;
  animation: rain 2000ms infinite linear;
  transform: rotate(25deg);
}
[icon='stormy'] li::before,
[icon='stormy'] li::after {
  content: '';
}
[icon='stormy'] li:nth-child(5n+3)::before,
[icon='stormy'] li:nth-child(11n+7)::after,
[icon='stormy'] li:nth-child(2n+1) {
  top: 10%;
  left: 68%;
  animation-delay: 500ms;
}
[icon='stormy'] li:nth-child(3n+2)::after,
[icon='stormy'] li:nth-child(7n+5)::after,
[icon='stormy'] li:nth-child(3n+2) {
  top: 5%;
  left: 45%;
  animation-delay: 1250ms;
}
[icon='stormy'] li:nth-child(2n+1)::before,
[icon='stormy'] li:nth-child(5n+3)::after,
[icon='stormy'] li:nth-child(7n+5) {
  top: 4%;
  left: 82%;
  animation-delay: 750ms;
}
[icon='stormy'] li:nth-child(11n+7)::before,
[icon='stormy'] li:nth-child(3n+2)::after,
[icon='stormy'] li:nth-child(7n+5) {
  top: 15%;
  left: 15%;
  animation-delay: 2000ms;
}
[icon='stormy'] li:nth-child(7n+5)::before,
[icon='stormy'] li:nth-child(2n+1)::after,
[icon='stormy'] li:nth-child(11n+7) {
  top: 10%;
  left: 33%;
  animation-delay: 2500ms;
}

/* SUPERMOON */
/* --------------------- */
[icon="supermoon"]::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(1px 1px at 50% 20%, #fff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 30% 65%, #fff, rgba(0,0,0,0)),
    radial-gradient(2px 2px at 15% 05%, #fff, rgba(0,0,0,0)),
    radial-gradient(2px 2px at 37% 35%, #fff, rgba(0,0,0,0)),
    radial-gradient(2px 2px at 65% 47%, #fff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 42% 29%, #fff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 73% 56%, #fff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 24% 19%, #fff, rgba(0,0,0,0)),
    radial-gradient(2px 2px at 31% 47%, #fff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 18% 39%, #fff, rgba(0,0,0,0));
  background-repeat: repeat;
  will-change: transform;
  animation: revolve 120000ms linear infinite;
}

.moon {
  position: absolute;
  top: 20%;
  left: 80%;
  transform: translate(-50%, -50%);
  width: 40%;
  height: 40%;
  border-radius: 100%;
  background: radial-gradient(circle at bottom left, var(--ring), #fef07e);
  box-shadow: 0 0 0 .02em var(--ring) inset, 0 0 .3em -.03em var(--blend2);
}
.moon::before,
.moon::after {
  content: '';
  position: absolute;
  border-radius: 100%;
  background-color: var(--blend1);
  box-shadow: .01em .01em .1em 0 var(--blend1);
}

.moon::before {
  top: 15%;
  left: 55%;
  width: 20%;
  height: 20%;
  opacity: .3;
}
.moon::after {
  bottom: 50%;
  left: 25%;
  width: 15%;
  height: 15%;
  opacity: .2;
}

.meteor {
  position: absolute;
  background-color: #fff;
  opacity: 0;
  top: 20%;
  left: 55%;
  width: 1px;
  height: 15px;
  transform: rotate(45deg);
  will-change: transform, opacity;
  animation: meteor 6250ms infinite ease-in;
}

body {
  min-height: 100vh;
  font-size: calc(.5em + 1vmin);
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-flow: row wrap;
  font-family: 'Work Sans', sans-serif;
  background: #212125;
  color: #e6e8db;
}

[icon="sunny"] {
  display: block;
}

[icon="cloudy"] {
  display: block;
}

[icon="snowy"] {
  display: block;
}

[icon="stormy"] {
  display: block;
}

[icon="supermoon"] {
  display: block;
}

@keyframes flare {
  to {transform: translate(-.3em, .3em); opacity: .4; font-size: .2em;}
}
@keyframes move {
  50% {transform: translateX(-.05em);}
}
@keyframes snow {
  50% {opacity: 1;}
  100% {transform: translate(-.1em, 15vmin);}
}
@keyframes snowman {
  50% {border-radius: 60% 60% 30% 50%;}
}
@keyframes flash {
	49% {background-color: var(--shadow);}
	51% {background-color: var(--ring);}
	53% {background-color: var(--shadow);}
	57% {background-color: var(--ring);}
	85% {background-color: var(--shadow);}
}
@keyframes rain {
  10% {opacity: .4;}
  50% {opacity: 1;}
  100% {transform: translate(-.1em, .5em);}
}
@keyframes revolve {
  to {transform: rotate(360deg);}
}
@keyframes meteor {
  5% {opacity: 1;}
  8% {transform: translate(-.6em, .6em) rotate(45deg); opacity: 0;}
}

JavaScript

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