codepens/animated-verbs-ii/dist/mwgbqon.css

$colors: #f9ca24, #3498db, #ff7979, #1abc9c, #e74c3c, #f8c291;

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

.container {
  max-height: 100vh;
	overflow-y: scroll;
  position: relative;
  scroll-snap-type: y mandatory;
  -webkit-overflow-scrolling: touch;
}

.headline {
  align-items: center;
  background-color: var(--color);
  display: flex;
  font-family: 'Lexend Deca', sans-serif;
  font-weight: 700;
  font-size: calc(1rem + 15vmin);
  height: 100vh;
  justify-content: center;
  overflow: hidden;
  perspective: 1000px;
  scroll-snap-align: start;
  width: 100vw;
  
  @for $i from 1 through length($colors) {
    &:nth-child(#{$i}) {
      --color: #{nth($colors, $i)};
    }
  }
}

.word,
.char {
  animation-delay: var(--del);
  animation-direction: var(--dir, normal);
  animation-duration: var(--dur);
  animation-iteration-count: infinite;
  animation-name: var(--name);
  animation-timing-function: var(--tf);
  display: inline-block;
  position: relative;
  transform-origin: 50% 100%;
  z-index: 1;
}


// =========================
// Headline animations
// =========================

.headline--fall {
  .char {
    --name: fall;
    --dur: 600ms;
    --del: calc(var(--char-index) * -0.05s);
    --tf: cubic-bezier(0.165, 0.44, 0.64, 1);
  }

  @keyframes fall {
    0% {
      transform: rotateY(-25deg);
    }
    25% {
      transform: translateY(2%) rotateY(25deg);
    }
    50% {
      transform: rotateY(-25deg);
    }
    75% {
      transform: translateY(4%) rotateY(25deg);
    }
    100% {
      transform: rotateY(-25deg);
    }
  }
}

.headline--flip {
  .char {
    --name: flip;
    --dur: 4000ms;
    --del: calc(var(--char-index) * 0.075s);
    --tf: linear;
  }

  @keyframes flip {
    5% {
      transform: rotateX(1turn);
    }
    10% {
      transform: rotateX(2turn);
    }
    20% {
      transform: rotateX(3turn);
    }
    40% {
      transform: rotateX(4turn);
    }
    70%, 100% {
      transform: rotateX(5turn);
    }
  }
}

.headline--float {
  .char {
    --name: float;
    --dur: 2200ms;
    --del: calc(var(--char-index) * -0.5s);
    --tf: ease-in-out; 
    --dir: alternate;
    
    &:nth-child(2n) {
      --name: float-alt;
    }
  }
  
  @keyframes float {
    from {
      transform: translate(2%, -10%) rotate(-1deg);
    }
    to {
      transform: translate(-2%, 5%) rotate(3deg);
    }
  }

  @keyframes float-alt {
    from {
      transform: translate(0%, -5%) rotate(-1deg);
    }
    to {
      transform: translate(2%, 10%) rotate(3deg);
    }
  }
}

.headline--jog {
  .char {
    --name: jog;
    --dur: 500ms;
    --del: calc(var(--char-index) * -0.025s);
    --tf: linear;
  }

  @keyframes jog {
    0% {
      transform: translate(0, 0) rotate(5deg);
    }
    25% {
      transform: translate(5%, -5%) rotate(10deg);
    }
    50% {
      transform: translate(5%, 0) rotate(15deg);
    }
    75% {
      transform: translate(10%, -5%) rotate(10deg);
    }
    100% {
      transform: translate(0, 0) rotate(5deg);
    }
  }
}

.headline--jump {
  .char {
    --name: jump;
    --dur: 800ms;
    --del: calc(var(--char-index) * 0.075s);
    --tf: cubic-bezier(0.165, 0.44, 0.64, 1);
  }

  @keyframes jump {
    20% {
      transform: translateY(2%) scaleY(0.9);
    }
    40% {
      transform: translateY(-100%) scaleY(1.2);
    }
    50% {
      transform: translateY(10%) scaleY(0.8);
    }
    70% {
      transform: translateY(-5%) scaleY(1);
    }
    80%, 100% {
      transform: translateY(0) scaleY(1);
    }
  }
}

.headline--twirl {
  .char {
    --name: twirl;
    --dur: 6000ms;
    --del: calc(var(--char-index) * 0.025s);
    --tf: linear;
  }

  @keyframes twirl {
    2.5% {
      transform: rotateY(1turn);
    }
    5% {
      transform: rotateY(2turn);
    }
    10% {
      transform: rotateY(3turn);
    }
    20% {
      transform: rotateY(4turn);
    }
    40% {
      transform: rotateY(5turn);
    }
    70%, 100% {
      transform: rotateY(6turn);
    }
  }
}