<link href="https://fonts.googleapis.com/css?family=Archivo+Black&display=swap" rel="stylesheet">

<h1 class="playful" aria-label="Wash your hands">
  <span aria-hidden="true">W</span><span aria-hidden="true">a</span><span aria-hidden="true">s</span><span aria-hidden="true">h</span><span aria-hidden="true"> </span><span aria-hidden="true">y</span><span aria-hidden="true">o</span><span aria-hidden="true">u</span><span aria-hidden="true">r</span><span aria-hidden="true"> </span><span aria-hidden="true">h</span><span aria-hidden="true">a</span><span aria-hidden="true">n</span><span aria-hidden="true">d</span><span aria-hidden="true">s</span><span aria-hidden="true">!</span>
</h1>

$background: #E4FFF7;

@function textShadow($precision, $size, $color){
  $value: null;
  $offset: 0;
  $length: $size * (1 / $precision) - 1;

  @for $i from 0 through $length {
    $offset: $offset + $precision;
    $shadow: $offset + px $offset + px $color;
    $value: append($value, $shadow, comma);
  }

  @return $value;
}

.playful span {
  position: relative;
  color: #5362F6;
  text-shadow: textShadow(0.25, 6, #E485F8);
  animation: scatter 1.75s infinite;
}

.playful span:nth-child(2n) {
  color: #ED625C;
  text-shadow: textShadow(0.25, 6, #F2A063);
  animation-delay: 0.3s;
}

.playful span:nth-child(3n) {
  color: #FFD913;
  text-shadow: textShadow(0.25, 6, #6EC0A9);
  animation-delay: 0.15s;
}

.playful span:nth-child(5n) {
  color: #555BFF;
  text-shadow: textShadow(0.25, 6, #E485F8);
  animation-delay: 0.4s;
}

.playful span:nth-child(7n), .playful span:nth-child(11n) {
  color: #FF9C55;
  text-shadow: textShadow(0.25, 6, #FF5555);
  animation-delay: 0.25s;
}

@keyframes scatter {
  0% {
    top: 0;
  }
  50% {
    top: -10px;
  }
  100% {
    top: 0;
  }
}

body {
  background-color: $background;
}

h1 {
  font-size: 65px;
  text-transform: uppercase;
  font-family: "Archivo Black", "Archivo", sans-serif;
  font-weight: normal;
  display: block;
  width: 666px;
  max-width: 80vw;
  min-height: 90px;
  height: auto;
  text-align: center;
  margin: 10rem auto;
  margin: calc(50vh - 5rem) auto;
}