Transitions Animations SVG Style01

<!DOCTYPE html>
<html>
<head>
  <title>Transitions & Animations Combiné avec des SVG | par NGLESSON </title>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <meta name="author" content="Mezgani said">
  <meta name="copyright" content="NGLESSON">
  <link href="style.css" rel="stylesheet" type="text/css">
</head>
<body>
  <div class="arrow arrow--top">
    <svg xmlns="http://www.w3.org/2000/svg" width="270.11" height="649.9" overflow="visible">
      <style>
        .geo-arrow {
          fill: none;
          stroke: #fff;
          stroke-width: 2;
          stroke-miterlimit: 10
        }
      </style>
      <g class="item-to bounce-1">
        <path class="geo-arrow draw-in" d="M135.06 142.564L267.995 275.5 135.06 408.434 2.125 275.499z" />
      </g>
      <circle class="geo-arrow item-to bounce-2" cx="194.65" cy="69.54" r="7.96" />
      <circle class="geo-arrow draw-in" cx="194.65" cy="39.5" r="7.96" />
      <circle class="geo-arrow item-to bounce-3" cx="194.65" cy="9.46" r="7.96" />
      <g class="geo-arrow item-to bounce-2">
        <path class="st0 draw-in" d="M181.21 619.5l13.27 27 13.27-27zM194.48 644.5v-552" />
      </g>
    </svg>
  </div>
  <div class="arrow arrow--bottom">
    <svg xmlns="http://www.w3.org/2000/svg" width="31.35" height="649.9" overflow="visible">
      <style>
        .geo-arrow {
          fill: none;
          stroke: #fff;
          stroke-width: 2;
          stroke-miterlimit: 10
        }
      </style>
      <g class="item-to bounce-1">
        <circle class="geo-arrow item-to bounce-3" cx="15.5" cy="580.36" r="7.96" />
        <circle class="geo-arrow draw-in" cx="15.5" cy="610.4" r="7.96" />
        <circle class="geo-arrow item-to bounce-2" cx="15.5" cy="640.44" r="7.96" />
        <g class="item-to bounce-2">
          <path class="geo-arrow draw-in" d="M28.94 30.4l-13.26-27-13.27 27zM15.68 5.4v552" />
        </g>
      </g>
    </svg>
  </div>
  <div class="main">
    <div class="main__text-wrapper">
    <h1 class="main__title">Transitions & Animations</h1>
    <h2>Combiné avec des SVG</h2>      
      <svg xmlns="http://www.w3.org/2000/svg" class="dotted-circle" width="352" height="352" overflow="visible">
        <circle cx="176" cy="176" r="174" fill="none" stroke="#fff" stroke-width="2" stroke-miterlimit="10" stroke-dasharray="12.921,11.9271"/>
      </svg>
    </div>
  </div>
</body>
</html>

 body {
	 background: linear-gradient(#3800e7, #8a15ff);
	 height: 100vh;
	 font-size: calc(14px + (26 - 14) * ((100vw - 300px) / (1600 - 300)));
	 font-family: "DM Mono", monospace;
	 font-weight: 300;
	 overflow: hidden;
	 color: white;
	 text-align: center;
}
 h1 {
	 font-size: 3em;
	 margin-bottom: 0.2em;
}
 h2 {
	 font-size: 2em;
}
 .main {
	 height: 100vh;
	 display: flex;
	 flex-direction: column;
	 flex-wrap: wrap;
	 position: relative;
	 justify-content: center;
	 align-items: center;
}
 .main:before, .main:after {
	 content: "";
	 display: block;
	 position: absolute;
	 z-index: -3;
}
 .main:before {
	 right: 0;
	 bottom: -19;
	 height: 30em;
	 width: 30em;
	 border-radius: 30em;
	 background: linear-gradient(#3800e7, #8a15ff);
	 align-self: flex-end;
	 animation: gradient-fade 8s ease-in-out 3s infinite alternate;
}
 .main:after {
	 top: 0;
	 left: 30;
	 height: 10em;
	 width: 10em;
	 border-radius: 10em;
	 background: linear-gradient(#3800e7, #8a15ff);
	 animation: gradient-fade-alt 6s ease-in-out 3s infinite alternate;
}
 .main__text-wrapper {
	 position: relative;
	 padding: 2em;
}
 .main__text-wrapper:before, .main__text-wrapper:after {
	 content: "";
	 display: block;
	 position: absolute;
}
 .main__text-wrapper:before {
	 z-index: -1;
	 top: -3em;
	 right: -3em;
	 width: 13em;
	 height: 13em;
	 opacity: 0.7;
	 border-radius: 13em;
	 background: linear-gradient(#15e0ff, #8a15ff);
	 animation: rotation 7s linear infinite;
}
 .main__text-wrapper:after {
	 z-index: -1;
	 bottom: -20em;
	 width: 20em;
	 height: 20em;
	 border-radius: 20em;
	 background: linear-gradient(#d000c5, #8a15ff);
	 animation: rotation 7s linear infinite;
}
 .arrow {
	 z-index: 1000;
	 opacity: 0.5;
	 position: absolute;
}
 .arrow--top {
	 top: 0;
	 left: -5em;
}
 .arrow--bottom {
	 bottom: 0;
	 right: 3em;
}
 .circle {
	 transform: translate(50%, -50%) rotate(0deg);
	 transform-origin: center;
}
 .circle--ltblue {
	 height: 20em;
	 width: 20em;
	 border-radius: 20em;
	 background: linear-gradient(#15e0ff, #3800e7);
}
 .backdrop {
	 position: absolute;
	 width: 100vw;
	 height: 100vh;
	 display: block;
	 background-color: pink;
}
 .dotted-circle {
	 position: absolute;
	 top: 0;
	 right: 0;
	 opacity: 0.3;
	 animation: rotation 38s linear infinite;
}
 .draw-in {
	 stroke-dasharray: 1000;
	 stroke-dashoffset: 1000;
	 animation: draw 15s ease-in-out alternate infinite;
}
 @keyframes draw {
	 from {
		 stroke-dashoffset: 1000;
	}
	 to {
		 stroke-dashoffset: 0;
	}
}
 .item-to {
	 animation-duration: 10s;
	 animation-iteration-count: infinite;
	 transform-origin: bottom;
}
 .bounce-1 {
	 animation-name: bounce-1;
	 animation-timing-function: ease;
}
 .bounce-2 {
	 animation-name: bounce-2;
	 animation-timing-function: ease;
}
 .bounce-3 {
	 animation-name: bounce-3;
	 animation-timing-function: ease;
}
 @keyframes bounce-1 {
	 0% {
		 transform: translateY(0);
	}
	 50% {
		 transform: translateY(50px);
	}
	 100% {
		 transform: translateY(0);
	}
}
 @keyframes bounce-2 {
	 0% {
		 transform: translateY(0);
	}
	 50% {
		 transform: translateY(-30px);
	}
	 100% {
		 transform: translateY(0);
	}
}
 @keyframes bounce-3 {
	 0% {
		 transform: translateY(0);
	}
	 50% {
		 transform: translateY(30px);
	}
	 100% {
		 transform: translateY(0);
	}
}
 @keyframes rotation {
	 from {
		 transform: rotate(0deg);
	}
	 to {
		 transform: rotate(360deg);
	}
}
 @keyframes gradient-fade {
	 from {
		 transform: translate(10%, -10%) rotate(0deg);
	}
	 to {
		 transform: translate(50%, -50%) rotate(360deg);
	}
}
 @keyframes gradient-fade-alt {
	 from {
		 transform: translate(-20%, 20%) rotate(0deg);
	}
	 to {
		 transform: translate(-60%, 60%) rotate(360deg);
	}
}