Animation

Отрисованная на чистом css красивая анимация с многочисленными объектами

by akogch

HTML

<body>
  <div class="section-center">
    <div class="section-up">
      <div class="sun">
        <span></span>
      </div>
      <div class="cloud-left">
        <span></span>
        <span></span>
        <span></span>
      </div>
      <div class="cloud-middle">
        <span></span>
        <span></span>
        <span></span>
      </div>
      <div class="cloud-right">
        <span></span>
        <span></span>
        <span></span>
      </div>
      <div class="bird-wrapper">
        <div class="left-wing">
          <span></span>
        </div>
        <div class="right-wing">
          <span></span>
        </div>
      </div>
      <div class="bird-wrapper snd">
        <div class="left-wing">
          <span></span>
        </div>
        <div class="right-wing">
          <span></span>
        </div>
      </div>
      <div class="bird-wrapper trd">
        <div class="left-wing">
          <span></span>
        </div>
        <div class="right-wing">
          <span></span>
        </div>
      </div>
      <div class="building-left">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
      </div>
      <div class="building-right">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span><span></span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
      </div>
      <div class="left-tree">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
      </div>
      <div class="right-tree">
       ...

CSS

body {
  width: 100%;
  display: block;
  min-height: 100vh;
  background-color: #fee300;
}

.section-center {
  position: relative;
  width: 600px;
  height: 450px;
  display: block;
  z-index: 6;
  margin: 0 auto;
  overflow: hidden;
}

.section-up {
  position: absolute;
  width: 100%;
  height: 270px;
  left: 0;
  top: 0;
  display: block;
  z-index: 5;
}

.hill {
  position: absolute;
  width: 115px;
  height: 27px;
  left: 30px;
  bottom: 0;
  display: block;
  z-index: 15;
}

.hill.snd {
  left: 115px;
  z-index: 14;
}

.hill.trd {
  transform: rotateY(180deg);
  left: auto;
  right: 30px;
}

.hill.frt {
  transform: rotateY(180deg);
  left: auto;
  right: 110px;
  z-index: 14;
}

.hill span {
  position: absolute;
  width: 60px;
  height: 60px;
  background-color: #fff;
  left: 4px;
  top: 0;
  display: block;
  border-radius: 50%;
  border: 2px solid #030308;
  border-color: #030308 transparent transparent transparent;
}

.hill span:nth-child(2) {
  width: 110px;
  height: 110px;
  left: -6px;
  top: -5px;
  background-color: transparent;
  transform: rotate(5deg);
  border-color: transparent transparent transparent #030308;
}

.hill span:nth-child(3) {
  width: 10px;
  height: 10px;
  left: 2px;
  top: 22px;
  transform: rotate(-55deg);
  border: none;
  border-radius: 0;
}

.hill span:nth-child(4) {
  width: 40px;
  height: 40px;
  left: auto;
  top: 11px;
  right: 5px;
  border-color: #030308 transparent transparent transparent;
}

.hill span:nth-child(5) {
  width: 110px;
  height: 110px;
  left: auto;
  top: 3px;
  right: -8px;
  background-color: transparent;
  transform: rotate(85deg);
  border-color: #030308 transparent transparent transparent;
}

.hill span:nth-child(6) {
  width: 24px;
  height: 24px;
  left: auto;
  top: -5px;
  right: 31px;
  background-color: transparent;
  border-color: transparent transparent #030308...

JavaScript

// Based on "Outline illustration animation" by Moranart: https://dribbble.com/shots/5748804-Outline-Illustration-animation