【難以想象的CSS】天氣不可能那麼可愛

時間  2019-11-05
標籤 難以想象的CSS 天氣 不可能 那麼 可愛 欄目 CSS 简体版
原文   原文鏈接

前言

只有你想不到，沒有 css 作不到。今日分享只由 css 實現的效果 - weathercss

效果

源碼

如下是爲效果圖的全部實現源碼，由於 css 內容較長，相關 css 能夠點擊查看展開閱讀。html

或者前端

點擊訪問 這裏 查看源碼，並附有 codepen 在線編輯爲您帶來不同的體驗。能夠點個 star 再回來。web

Sunny

<!-- html -->
<div class="weather">
    <div class="sunny">
        <span class="sun"></span>
    </div>
</div>
複製代碼
點擊查看 sunny css源碼 
    
  .weather {
  width: 100%;
  font-size: -webkit-calc(1em);
  font-size: calc(1em);
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-justify-content: space-around;
      -ms-flex-pack: distribute;
          justify-content: space-around;
  -webkit-flex-flow: row wrap;
      -ms-flex-flow: row wrap;
          flex-flow: row wrap;
  font-family: 'Work Sans', sans-serif;
  background: #212125;
  color: #e6e8db;
}
.sunny {
  -webkit-box-flex: 0;
  -webkit-flex: none;
      -ms-flex: none;
          flex: none;
  display: block;
  position: relative;
  font-size: -webkit-calc(11em);
  font-size: calc(11em);
  width: 1em;
  height: 1em;
  margin: .3em;
  border-radius: 100%;
  -webkit-box-shadow: 0 0 0 0.05em currentColor inset, 0 0 0.3em -0.03em #fd6f21;
          box-shadow: 0 0 0 0.05em currentColor inset, 0 0 0.3em -0.03em #fd6f21;
  background: -webkit-linear-gradient(top right, #fc5830 0%, #f98c24 65%);
  background: linear-gradient(to top right, #fc5830 0%, #f98c24 65%);
}
.sun {
  position: absolute;
  top: 20%;
  left: 80%;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  width: 40%;
  height: 40%;
  border-radius: 100%;
  background: #ffeb3b;
  -webkit-box-shadow: 0 0 0 0.02em currentColor inset, 0 0 0.3em -0.03em #fd6f21;
          box-shadow: 0 0 0 0.02em currentColor inset, 0 0 0.3em -0.03em #fd6f21;
  -webkit-transform-origin: .1em .1em;
      -ms-transform-origin: .1em .1em;
          transform-origin: .1em .1em;
}
.sun::after {
  content: '';
  position: absolute;
  top: .1em;
  left: 0;
  will-change: transform;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  width: .1em;
  height: .1em;
  border-radius: 100%;
  background: rgba(255, 255, 255, 0.1);
  -webkit-box-shadow: 0 0 0.1em 0 rgba(255, 255, 255, 0.3) inset, -0.1em -0.1em 0 0.2em rgba(255, 255, 255, 0.1);
          box-shadow: 0 0 0.1em 0 rgba(255, 255, 255, 0.3) inset, -0.1em -0.1em 0 0.2em rgba(255, 255, 255, 0.1);
  -webkit-animation: flare 12000ms infinite alternate linear;
          animation: flare 12000ms infinite alternate linear;
}
@-webkit-keyframes flare {
  to {
    -webkit-transform: translate(-0.3em, 0.3em);
            transform: translate(-0.3em, 0.3em);
    opacity: .4;
    font-size: .2em;
  }
}
@keyframes flare {
  to {
    -webkit-transform: translate(-0.3em, 0.3em);
            transform: translate(-0.3em, 0.3em);
    opacity: .4;
    font-size: .2em;
  }
}
    複製代碼

Cloudy

<!-- html -->
<div class="weather">
    <div class="cloudy">
        <span class="cloud"></span>
        <span class="cloud"></span>
    </div>
</div>
複製代碼
點擊查看 cloudy css源碼 
    
  
.weather {
  width: 100%;
  font-size: -webkit-calc(1em);
  font-size: calc(1em);
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-justify-content: space-around;
      -ms-flex-pack: distribute;
          justify-content: space-around;
  -webkit-flex-flow: row wrap;
      -ms-flex-flow: row wrap;
          flex-flow: row wrap;
  font-family: 'Work Sans', sans-serif;
  background: #212125;
  color: #e6e8db;
}
.cloudy {
  -webkit-box-flex: 0;
  -webkit-flex: none;
      -ms-flex: none;
          flex: none;
  display: block;
  position: relative;
  font-size: -webkit-calc(11em);
  font-size: calc(11em);
  width: 1em;
  height: 1em;
  margin: .3em;
  border-radius: 100%;
  -webkit-box-shadow: 0 0 0 0.05em currentColor inset, 0 0 0.3em -0.03em #c9e8de;
          box-shadow: 0 0 0 0.05em currentColor inset, 0 0 0.3em -0.03em #c9e8de;
  background: -webkit-gradient(linear, from(#1b9ce2), to(#e0e2e5));
  background: -webkit-linear-gradient(top right, #1b9ce2 0%, #e0e2e5 90%);
  background: linear-gradient(to top right, #1b9ce2 0%, #e0e2e5 90%);
}
.cloud {
  position: absolute;
  top: .1em;
  left: 65%;
  width: .37em;
  height: .13em;
  border-radius: .1em;
  background-color: #fff;
  -webkit-box-shadow: 0 0 0.1em 0.02em #f0f2f0 inset, 0 0 0.3em -0.03em #c9e8de;
          box-shadow: 0 0 0.1em 0.02em #f0f2f0 inset, 0 0 0.3em -0.03em #c9e8de;
  -webkit-animation: move 3000ms infinite ease-in-out;
          animation: move 3000ms infinite ease-in-out;
}
.cloud + .cloud {
  top: 25%;
  left: 40%;
  -webkit-animation: move 3700ms infinite linear;
          animation: move 3700ms infinite linear;
}
.cloud::before,
.cloud::after {
  content: '';
  position: inherit;
  border-radius: inherit;
  background-color: inherit;
  -webkit-box-shadow: inherit;
          box-shadow: inherit;
  bottom: 30%;
}
.cloud::before {
  left: .05em;
  width: .2em;
  height: .2em;
}
.cloud::after {
  left: .15em;
  width: .15em;
  height: .15em;
}
@-webkit-keyframes move {
  50% {
    -webkit-transform: translateX(-0.05em);
            transform: translateX(-0.05em);
  }
}
@keyframes move {
  50% {
    -webkit-transform: translateX(-0.05em);
            transform: translateX(-0.05em);
  }
}
    複製代碼
 

 

Snowy
 

<!-- html -->
<div class="weather">
    <div class="snowy">
        <span class="snowman"></span>
        <ul>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
</div>
複製代碼
 

 
 點擊查看 snowy css源碼 
 
    
  
.weather {
  width: 100%;
  font-size: -webkit-calc(1em);
  font-size: calc(1em);
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-justify-content: space-around;
      -ms-flex-pack: distribute;
          justify-content: space-around;
  -webkit-flex-flow: row wrap;
      -ms-flex-flow: row wrap;
          flex-flow: row wrap;
  font-family: 'Work Sans', sans-serif;
  background: #212125;
  color: #e6e8db;
}
.snowy {
  -webkit-box-flex: 0;
  -webkit-flex: none;
      -ms-flex: none;
          flex: none;
  display: block;
  position: relative;
  font-size: -webkit-calc(11em);
  font-size: calc(11em);
  width: 1em;
  height: 1em;
  margin: .3em;
  border-radius: 100%;
  -webkit-box-shadow: 0 0 0 0.05em currentColor inset, 0 0 0.3em -0.03em #c9e8de;
          box-shadow: 0 0 0 0.05em currentColor inset, 0 0 0.3em -0.03em #c9e8de;
  background: -webkit-gradient(linear, from(#758595), to(#e0e2e5));
  background: -webkit-linear-gradient(bottom left, #758595 0%, #e0e2e5 90%);
  background: linear-gradient(to bottom left, #758595 0%, #e0e2e5 90%);
}
.snowy ul {
  position: absolute;
  list-style: none;
  top: 0%;
  left: 10%;
  right: 0%;
  height: 100%;
  margin: 0;
  padding: 0;
}
.snowy li::before,
.snowy li::after {
  content: '';
  position: absolute;
  list-style: none;
  width: .015em;
  height: .01em;
  border-radius: 100%;
  background-color: currentColor;
  will-change: transform, opacity;
  -webkit-animation: snow 3700ms infinite ease-out;
          animation: snow 3700ms infinite ease-out;
  opacity: 0;
}
.snowy li:nth-child(2n+1)::before,
.snowy li:nth-child(13n+11)::after {
  top: -7%;
  left: 40%;
}
.snowy li:nth-child(3n+2)::before,
.snowy li:nth-child(11n+7)::after {
  top: 5%;
  left: 90%;
  -webkit-animation-delay: 1000ms;
          animation-delay: 1000ms;
}
.snowy li:nth-child(5n+3)::before,
.snowy li:nth-child(7n+5)::after {
  top: -10%;
  left: 80%;
  -webkit-animation-delay: 2000ms;
          animation-delay: 2000ms;
}
.snowy li:nth-child(7n+5)::before,
.snowy li:nth-child(5n+3)::after {
  top: 10%;
  left: 10%;
  -webkit-animation-delay: 1300ms;
          animation-delay: 1300ms;
}
.snowy li:nth-child(11n+7)::before,
.snowy li:nth-child(3n+2)::after {
  top: 20%;
  left: 70%;
  -webkit-animation-delay: 1500ms;
          animation-delay: 1500ms;
}
.snowy li:nth-child(13n+11)::before,
.snowy li:nth-child(2n+1)::after {
  top: 35%;
  left: 20%;
  -webkit-animation-delay: 500ms;
          animation-delay: 500ms;
}
.snowman {
  position: absolute;
  bottom: 30%;
  left: 40%;
  width: .15em;
  height: .15em;
  opacity: .9;
  background: currentColor;
  border-radius: 100%;
}
.snowman::after {
  content: '';
  position: absolute;
  top: 90%;
  left: 30%;
  -webkit-transform: translate(-50%, 0%);
      -ms-transform: translate(-50%, 0%);
          transform: translate(-50%, 0%);
  width: .275em;
  height: .3em;
  border-radius: inherit;
  background-color: currentColor;
}
.snowman::before {
  content: '';
  position: absolute;
  top: 0%;
  left: 50%;
  -webkit-transform: translate(-55%, -50%);
      -ms-transform: translate(-55%, -50%);
          transform: translate(-55%, -50%);
  width: .45em;
  height: .4em;
  border-radius: 60%;
  border: .02em solid transparent;
  border-bottom-color: #758595;
  will-change: border-radius;
  -webkit-animation: snowman 9000ms infinite ease-in;
          animation: snowman 9000ms infinite ease-in;
}
@-webkit-keyframes snow {
  50% {
    opacity: 1;
  }
  100% {
    -webkit-transform: translate(-0.1em, 15vmin);
            transform: translate(-0.1em, 15vmin);
  }
}
@keyframes snow {
  50% {
    opacity: 1;
  }
  100% {
    -webkit-transform: translate(-0.1em, 15vmin);
            transform: translate(-0.1em, 15vmin);
  }
}
@-webkit-keyframes snowman {
  50% {
    border-radius: 60% 60% 30% 50%;
  }
}
@keyframes snowman {
  50% {
    border-radius: 60% 60% 30% 50%;
  }
}
    複製代碼
 

 

Stormy
 

<!-- html -->
<div class="weather">
    <div class="stormy">
        <span class="cloud"></span>
        <ul>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
</div>
複製代碼
 

 
 點擊查看 stormy css源碼 
 
    
  
.weather {
  width: 100%;
  font-size: -webkit-calc(1em);
  font-size: calc(1em);
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-justify-content: space-around;
      -ms-flex-pack: distribute;
          justify-content: space-around;
  -webkit-flex-flow: row wrap;
      -ms-flex-flow: row wrap;
          flex-flow: row wrap;
  font-family: 'Work Sans', sans-serif;
  background: #212125;
  color: #e6e8db;
}
.stormy {
  -webkit-box-flex: 0;
  -webkit-flex: block;
      -ms-flex: block;
          flex: block;
  display: block;
  position: relative;
  font-size: -webkit-calc(11em);
  font-size: calc(11em);
  width: 1em;
  height: 1em;
  margin: .3em;
  border-radius: 100%;
  -webkit-box-shadow: 0 0 0 0.05em currentColor inset, 0 0 0.3em -0.03em #34c6d8;
          box-shadow: 0 0 0 0.05em currentColor inset, 0 0 0.3em -0.03em #34c6d8;
  background: -webkit-gradient(linear, from(#4b9cc2), to(#9adbd9));
  background: -webkit-linear-gradient(top right, #4b9cc2 0%, #9adbd9 100%);
  background: linear-gradient(to top right, #4b9cc2 0%, #9adbd9 100%);
}
.stormy::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: .05em;
  border-radius: 100%;
  opacity: .4;
  will-change: background-color;
  -webkit-animation: flash 2300ms infinite linear 80ms;
          animation: flash 2300ms infinite linear 80ms;
}
.stormy .cloud {
  position: absolute;
  top: .1em;
  width: .37em;
  height: .13em;
  border-radius: .1em;
  background-color: #c9e8de;
  font-size: 1.3em;
  left: 50%;
  box-shadow: 0 0 .1em .02em #f0f2f0 inset,0 0 .3em -0.03em #c9e8de;
  will-change: background-color, transform, opacity;
  -webkit-animation: cloudflash 2300ms infinite linear, move 3700ms infinite linear;
          animation: cloudflash 2300ms infinite linear, move 3700ms infinite linear;
}
.cloud::before,
.cloud::after {
  content: '';
  position: inherit;
  border-radius: inherit;
  background-color: inherit;
  -webkit-box-shadow: inherit;
          box-shadow: inherit;
  bottom: 30%;
}
.cloud::before {
  left: .05em;
  width: .2em;
  height: .2em;
}
.cloud::after {
  left: .15em;
  width: .15em;
  height: .15em;
}
.stormy ul {
  position: absolute;
  list-style: none;
  top: 0%;
  left: 70%;
  right: 0%;
  height: 100%;
  margin: 0;
  padding: 0;
}
.stormy li,
.stormy li::before,
.stormy li::after {
  position: absolute;
  width: .005em;
  height: .02em;
  border-radius: 10%;
  background-color: #eee;
  opacity: 0;
  will-change: transform, opacity;
  -webkit-animation: rain 2000ms infinite linear;
          animation: rain 2000ms infinite linear;
  -webkit-transform: rotate(25deg);
      -ms-transform: rotate(25deg);
          transform: rotate(25deg);
}
.stormy li::before,
.stormy li::after {
  content: '';
}
.stormy li:nth-child(5n+3)::before,
.stormy li:nth-child(11n+7)::after,
.stormy li:nth-child(2n+1) {
  top: 10%;
  left: 68%;
  -webkit-animation-delay: 500ms;
          animation-delay: 500ms;
}
.stormy li:nth-child(3n+2)::after,
.stormy li:nth-child(7n+5)::after,
.stormy li:nth-child(3n+2) {
  top: 5%;
  left: 45%;
  -webkit-animation-delay: 1250ms;
          animation-delay: 1250ms;
}
.stormy li:nth-child(2n+1)::before,
.stormy li:nth-child(5n+3)::after,
.stormy li:nth-child(7n+5) {
  top: 4%;
  left: 82%;
  -webkit-animation-delay: 750ms;
          animation-delay: 750ms;
}
.stormy li:nth-child(11n+7)::before,
.stormy li:nth-child(3n+2)::after,
.stormy li:nth-child(7n+5) {
  top: 15%;
  left: 15%;
  -webkit-animation-delay: 2000ms;
          animation-delay: 2000ms;
}
.stormy li:nth-child(7n+5)::before,
.stormy li:nth-child(2n+1)::after,
.stormy li:nth-child(11n+7) {
  top: 10%;
  left: 33%;
  -webkit-animation-delay: 2500ms;
          animation-delay: 2500ms;
}
@-webkit-keyframes flash {
  49% {
    background-color: rgba(255, 255, 255, 0);
  }
  51% {
    background-color: currentColor;
  }
  53% {
    background-color: rgba(255, 255, 255, 0);
  }
  57% {
    background-color: currentColor;
  }
  85% {
    background-color: rgba(255, 255, 255, 0);
  }
}
@keyframes flash {
  49% {
    background-color: rgba(255, 255, 255, 0);
  }
  51% {
    background-color: currentColor;
  }
  53% {
    background-color: rgba(255, 255, 255, 0);
  }
  57% {
    background-color: currentColor;
  }
  85% {
    background-color: rgba(255, 255, 255, 0);
  }
}
@-webkit-keyframes cloudflash {
  49% {
    background-color: #c9e8de;
  }
  51% {
    background-color: #f0f2f0;
  }
  53% {
    background-color: #c9e8de;
  }
  57% {
    background-color: #f0f2f0;
  }
  85% {
    background-color: #c9e8de;
  }
}
@keyframes cloudflash {
  49% {
    background-color: #c9e8de;
  }
  51% {
    background-color: #f0f2f0;
  }
  53% {
    background-color: #c9e8de;
  }
  57% {
    background-color: #f0f2f0;
  }
  85% {
    background-color: #c9e8de;
  }
}
@-webkit-keyframes rain {
  10% {
    opacity: .4;
  }
  50% {
    opacity: 1;
  }
  100% {
    -webkit-transform: translate(-0.1em, 0.5em);
            transform: translate(-0.1em, 0.5em);
  }
}
@keyframes rain {
  10% {
    opacity: .4;
  }
  50% {
    opacity: 1;
  }
  100% {
    -webkit-transform: translate(-0.1em, 0.5em);
            transform: translate(-0.1em, 0.5em);
  }
}
@-webkit-keyframes move {
  50% {
    -webkit-transform: translateX(-0.05em);
            transform: translateX(-0.05em);
  }
}
@keyframes move {
  50% {
    -webkit-transform: translateX(-0.05em);
            transform: translateX(-0.05em);
  }
}
    複製代碼
 

 

Supermoon
 

<!-- html -->
<div class="weather">
    <div class="supermoon">
        <span class="moon"></span>
        <span class="meteor"></span>
    </div>
</div>
複製代碼
 

 
 查看 sunny css源碼 
 
    
  
.weather {
  width: 100%;
  font-size: -webkit-calc(1em);
  font-size: calc(1em);
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-justify-content: space-around;
      -ms-flex-pack: distribute;
          justify-content: space-around;
  -webkit-flex-flow: row wrap;
      -ms-flex-flow: row wrap;
          flex-flow: row wrap;
  font-family: 'Work Sans', sans-serif;
  background: #212125;
  color: #e6e8db;
}
.supermoon {
  -webkit-box-flex: 0;
  -webkit-flex: block;
      -ms-flex: block;
          flex: block;
  display: block;
  position: relative;
  font-size: -webkit-calc(11em);
  font-size: calc(11em);
  width: 1em;
  height: 1em;
  margin: .3em;
  border-radius: 100%;
  -webkit-box-shadow: 0 0 0 0.05em currentColor inset, 0 0 0.3em -0.03em #5133a5;
          box-shadow: 0 0 0 0.05em currentColor inset, 0 0 0.3em -0.03em #5133a5;
  background: -webkit-gradient(linear, from(#4054b2), to(#aa4cba));
  background: -webkit-linear-gradient(bottom right, #4054b2 0%, #aa4cba 65%);
  background: linear-gradient(to bottom right, #4054b2 0%, #aa4cba 65%);
}
.supermoon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: -webkit-radial-gradient(1px 1px at 50% 20%, #fff, rgba(0, 0, 0, 0)), -webkit-radial-gradient(1px 1px at 30% 65%, #fff, rgba(0, 0, 0, 0)), -webkit-radial-gradient(2px 2px at 15% 5%, #fff, rgba(0, 0, 0, 0)), -webkit-radial-gradient(2px 2px at 37% 35%, #fff, rgba(0, 0, 0, 0)), -webkit-radial-gradient(2px 2px at 65% 47%, #fff, rgba(0, 0, 0, 0)), -webkit-radial-gradient(1px 1px at 42% 29%, #fff, rgba(0, 0, 0, 0)), -webkit-radial-gradient(1px 1px at 73% 56%, #fff, rgba(0, 0, 0, 0)), -webkit-radial-gradient(1px 1px at 24% 19%, #fff, rgba(0, 0, 0, 0)), -webkit-radial-gradient(2px 2px at 31% 47%, #fff, rgba(0, 0, 0, 0)), -webkit-radial-gradient(1px 1px at 18% 39%, #fff, rgba(0, 0, 0, 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% 5%, #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;
  -webkit-animation: revolve 120000ms linear infinite;
          animation: revolve 120000ms linear infinite;
}
.moon {
  position: absolute;
  top: 20%;
  left: 80%;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  width: 40%;
  height: 40%;
  border-radius: 100%;
  background: -webkit-radial-gradient(bottom left, circle, currentColor, #fef07e);
  background: radial-gradient(circle at bottom left, currentColor, #fef07e);
  -webkit-box-shadow: 0 0 0 0.02em currentColor inset, 0 0 0.3em -0.03em #aa4cba;
          box-shadow: 0 0 0 0.02em currentColor inset, 0 0 0.3em -0.03em #aa4cba;
}
.moon::before,
.moon::after {
  content: '';
  position: absolute;
  border-radius: 100%;
  background-color: #4054b2;
  -webkit-box-shadow: 0.01em 0.01em 0.1em 0 #4054b2;
          box-shadow: 0.01em 0.01em 0.1em 0 #4054b2;
}
.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;
  -webkit-transform: rotate(45deg);
      -ms-transform: rotate(45deg);
          transform: rotate(45deg);
  will-change: transform, opacity;
  -webkit-animation: meteor 6250ms infinite ease-in;
          animation: meteor 6250ms infinite ease-in;
}
@-webkit-keyframes revolve {
  to {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
@keyframes revolve {
  to {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
@-webkit-keyframes meteor {
  5% {
    opacity: 1;
  }
  8% {
    -webkit-transform: translate(-0.6em, 0.6em) rotate(45deg);
            transform: translate(-0.6em, 0.6em) rotate(45deg);
    opacity: 0;
  }
}
@keyframes meteor {
  5% {
    opacity: 1;
  }
  8% {
    -webkit-transform: translate(-0.6em, 0.6em) rotate(45deg);
            transform: translate(-0.6em, 0.6em) rotate(45deg);
    opacity: 0;
  }
}
    複製代碼
 

 

分析
 

接下來簡單介紹其中所運用到的重要屬性瀏覽器
 

 
 
linear-gradient：用於建立一個線性漸變的圖像。這裏的背景漸變就是由該屬性來實現；bash
 

 

 
 
box-shadow：向框添加一個或多個陰影，能夠設置水平、垂直、內部、外部陰影等。這裏的光環就是由該屬性來實現；微信
 

 

 
 
animation：動畫屬性，能夠規定動畫時間、速度曲線、播放次數等。這裏全部的動畫效果都是由該屬性來實現；dom
 

 

 
 
will-change：爲web開發者提供了一種告知瀏覽器該元素會有哪些變化的方法，這樣瀏覽器能夠在元素屬性真正發生變化以前提早作好對應的優化準備工做。這裏的雨、雪和流星的效果就使用了該屬性。函數
 

 

 
 
radial-gradient：該函數建立一個，用來展現由原點（漸變中心）輻射開的顏色漸變。這裏星系效果都是由該屬性來實現。flex
 

 

一塊兒畫
 

上面介紹了部分重要的屬性，如今咱們來一步一步實現 Cloudy 的效果。
 

第一步
 

作一個黑色背景，由於黑色視覺反差大視覺效果槓槓的，這裏用 linear-gradient 作一個漸變的圓並位於畫布垂直水平居中。
 
 

// html

<div class="weather">
    <div class="cloudy">
    </div>
</div>
複製代碼
 

// css

.weather {
  width: 100%;
  height: 500px;
  background: #212125;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.cloudy {
  position: relative;
  width: 300px;
  height: 300px;
  border-radius: 100%;
  background: linear-gradient(to top right, #1b9ce2 0, #e0e2e5 90%);
}
複製代碼
 

第二步
 

咱們來作光圈，有種布靈不靈的感受了，這裏用到 box-shadow，再示例中咱們用到了一個屬性叫 currentColor，它會繼承父類的 color 值。
 
 

// css

.weather {
  ...
  color: #e6e8db;
}

.cloudy {
  ...
  box-shadow: 0 0 0 10px currentColor inset,0 0 100px -10px #c9e8de;
}
複製代碼
 

第三步
 

咱們來作一朵雲彩，這裏運用到了僞元素，因此一朵雲彩只須要一個 dom。
 
 

// html

<div class="weather">
    <div class="cloudy">
        <span class="cloud"></span>
    </div>
</div>
複製代碼
 

// css

.cloud {
  position: absolute;
  top: 25%;
  left: 40%;
  width: 100px;
  height: 30px;
  border-radius: 20px;
  background-color: #fff;
  box-shadow: 0 0 20px 10px currentColor inset,0 0 100px -10px #c9e8de;
}
.cloud::before {
  left: 15px;
  height: 50px;
  width: 50px;
}
.cloud::after {
  left: 45px;
  height: 35px;
  width: 35px;
}
.cloud::before, .cloud::after {
  content: '';
  position: inherit;
  border-radius: 100%;
  background-color: inherit;
  box-shadow: inherit;
  bottom: 40%;
}
複製代碼
 

第四步
 

讓雲彩動起來！！！
 
 

// css

.cloud {
  ...
  animation: move 4000ms infinite ease-in-out;
}
@keyframes move {
  50% {
    transform: translateX(-10px);
  }
}
複製代碼
 

結語
 

更多有趣的做品須要更多人發現與創造，但願更多的人維護前端這個生態圈，讓這個圈子愈來愈好。若是你對這個做品感興趣的話能夠點擊收藏，或者掃碼關注微信公衆號【難以想象的前端】，每月會分享技術乾貨、最佳實踐以及有趣的前端。
 

 

 
   



        

            

        	





    

		

            
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