CSS Animations with SVGs

css-animations-with-svgs.markdown

CSS Animations with SVGs

A Pen by Duy Huynh on CodePen.

License.

index.html

<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">Deepa</h1>
            <h3>Landing Page and Template Demo</h3>
              <br>
                <ul>
                  <li><a style="color: #ffffff" href="http://deepa.vn:15700/001/">Demo 001</a></li>
                    <li><a style="color: #ffffff" href="http://deepa.vn:15700/002/">Demo 002 </a></li>
                </ul>
              <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>

style.scss

@import url("https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300;1,500&display=swap");

$purple: #8a15ff;
$blue: #3800e7;
$ltblue: #15e0ff;
$magenta: #d000c5;

// This is an example of animations & svgs... I completely understand that the amount of absolute positioning in this file is insane... ;) <3

body {
  background: linear-gradient($blue, $purple);
  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;

  &:before,
  &:after {
    content: "";
    display: block;
    position: absolute;
    z-index: -3;
  }
  &:before {
    right: 0;
    bottom: -19;
    height: 30em;
    width: 30em;
    border-radius: 30em;
    background: linear-gradient($blue, $purple);
    align-self: flex-end;
    animation: gradient-fade 8s ease-in-out 3s infinite alternate;
  }
  &:after {
    $circle-unit: 10em;
    top: 0;
    left: 30;
    height: $circle-unit;
    width: $circle-unit;
    border-radius: $circle-unit;
    background: linear-gradient($blue, $purple);
    animation: gradient-fade-alt 6s ease-in-out 3s infinite alternate;
  }

  &__text-wrapper {
    position: relative;
    padding: 2em;

    &:before,
    &:after {
      content: "";
      display: block;
      position: absolute;
    }

    &:before {
      $circle-unit: 13em;
      z-index: -1;
      top: -3em;
      right: -3em;
      width: $circle-unit;
      height: $circle-unit;
      opacity: 0.7;
      border-radius: $circle-unit;
      background: linear-gradient($ltblue, $purple);
      animation: rotation 7s linear infinite;
    }

    &:after {
      $circle-unit: 20em;
      z-index: -1;
      bottom: -#{$circle-unit};
      width: $circle-unit;
      height: $circle-unit;
      border-radius: $circle-unit;
      background: linear-gradient($magenta, $purple);
      animation: rotation 7s linear infinite;
    }
  }
}

.arrow {
  z-index: 1000;
  opacity: 0.5;
  position: absolute;

  &--top {
    top: 0;
    left: -5em;
  }

  &--bottom {
    bottom: 0;
    right: 3em;
  }
}

.circle {
  transform: translate(50%, -50%) rotate(0deg);
  transform-origin: center;

  &--ltblue {
    $circle-unit: 20em;
    height: $circle-unit;
    width: $circle-unit;
    border-radius: $circle-unit;
    background: linear-gradient($ltblue, $blue);
  }
}

.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;
}

// animations
.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);
  }
}

// gradient fade

@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);
  }
}