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HTML

              
                <div class="word">
  <span class="letter" style="background-image:url(&quot;data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20256%20256%22%3E%0A%20%20%3Cdefs%2F%3E%0A%20%20%3Cg%20fill%3D%22none%22%20fill-rule%3D%22evenodd%22%3E%0A%20%20%20%20%3Cpath%20fill%3D%22%23FFF369%22%20d%3D%22M0%200h256v256H0z%22%2F%3E%0A%20%20%20%20%3Cpath%20fill%3D%22%23E6D617%22%20d%3D%22M38.5%2023L49%2044H28zM100.5%2044L111%2065H90zM143%2018l10%2021h-20zM223.5%2034L234%2055h-21zM128.5%2089l10.5%2020h-21zM49%2088l10%2021H39zM100.5%20149l10.5%2021H90zM180.5%2088l10.5%2021h-21zM32.5%20210L43%20231H22zM223.5%20128l10.5%2021h-21zM110.5%20200l10.5%2020h-21zM174.5%20182l10.5%2021h-21zM223.5%20203l10.5%2021h-21zM42%20141l10%2021H32z%22%2F%3E%0A%20%20%3C%2Fg%3E%0A%3C%2Fsvg%3E&quot;)">h</span><span class="letter" style="background-image:url(&quot;data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20256%20256%22%3E%0A%20%20%3Cdefs%2F%3E%0A%20%20%3Cg%20fill%3D%22none%22%20fill-rule%3D%22evenodd%22%3E%0A%20%20%20%20%3Cpath%20fill%3D%22%23FF9B0F%22%20d%3D%22M0%200h256v256H0z%22%2F%3E%0A%20%20%20%20%3Cpath%20fill%3D%22%23DE8201%22%20d%3D%22M38.5%2023L49%2044H28zM100.5%2044L111%2065H90zM143%2018l10%2021h-20zM223.5%2034L234%2055h-21zM128.5%2089l10.5%2020h-21zM49%2088l10%2021H39zM100.5%20149l10.5%2021H90zM180.5%2088l10.5%2021h-21zM32.5%20210L43%20231H22zM223.5%20128l10.5%2021h-21zM110.5%20200l10.5%2020h-21zM174.5%20182l10.5%2021h-21zM223.5%20203l10.5%2021h-21zM42%20141l10%2021H32z%22%2F%3E%0A%20%20%3C%2Fg%3E%0A%3C%2Fsvg%3E&quot;)">e</span><span class="letter" style="background-image:url(&quot;data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20256%20256%22%3E%0A%20%20%3Cdefs%2F%3E%0A%20%20%3Cg%20fill%3D%22none%22%20fill-rule%3D%22evenodd%22%3E%0A%20%20%20%20%3Cpath%20fill%3D%22%233FCDFF%22%20d%3D%22M0%200h256v256H0z%22%2F%3E%0A%20%20%20%20%3Cpath%20fill%3D%22%23037FAA%22%20d%3D%22M26.5%2040.75l-9.698%205.099%201.852-10.8-7.846-7.648%2010.843-1.575L26.5%2016l4.849%209.826%2010.843%201.575-7.846%207.648%201.852%2010.8zM43.5%20131.75l-9.698%205.099%201.852-10.8-7.846-7.648%2010.843-1.575L43.5%20107l4.849%209.826%2010.843%201.575-7.846%207.648%201.852%2010.8zM175%2040.75l-9.992%205.099%201.908-10.8-8.084-7.648%2011.172-1.575L175%2016l4.996%209.826%2011.172%201.575-8.084%207.648%201.908%2010.8zM227.5%2098.5l-9.698%205.253%201.852-11.126-7.846-7.88%2010.843-1.624L227.5%2073l4.849%2010.123%2010.843%201.624-7.846%207.88%201.852%2011.126zM109%2091.5l-9.992%205.253%201.908-11.126-8.084-7.88%2011.172-1.624L109%2066l4.996%2010.123%2011.172%201.624-8.084%207.88%201.908%2011.126zM211%20213.75l-9.992%205.099%201.908-10.8-8.084-7.648%2011.172-1.575L211%20189l4.996%209.826%2011.172%201.575-8.084%207.648%201.908%2010.8zM141.5%20180.75l-9.698%205.099%201.852-10.8-7.846-7.648%2010.843-1.575L141.5%20156l4.849%209.826%2010.843%201.575-7.846%207.648%201.852%2010.8zM52%20222.75l-9.992%205.099%201.908-10.8-8.084-7.648%2011.172-1.575L52%20198l4.996%209.826%2011.172%201.575-8.084%207.648%201.908%2010.8z%22%2F%3E%0A%20%20%3C%2Fg%3E%0A%3C%2Fsvg%3E&quot;)">l</span><span class="letter" style="background-image:url(&quot;data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20256%20256%22%3E%0A%20%20%3Cdefs%2F%3E%0A%20%20%3Cg%20fill%3D%22none%22%20fill-rule%3D%22evenodd%22%3E%0A%20%20%20%20%3Cpath%20fill%3D%22%233FCDFF%22%20d%3D%22M0%200h256v256H0z%22%2F%3E%0A%20%20%20%20%3Cpath%20fill%3D%22%23037FAA%22%20d%3D%22M26.5%2040.75l-9.698%205.099%201.852-10.8-7.846-7.648%2010.843-1.575L26.5%2016l4.849%209.826%2010.843%201.575-7.846%207.648%201.852%2010.8zM43.5%20131.75l-9.698%205.099%201.852-10.8-7.846-7.648%2010.843-1.575L43.5%20107l4.849%209.826%2010.843%201.575-7.846%207.648%201.852%2010.8zM175%2040.75l-9.992%205.099%201.908-10.8-8.084-7.648%2011.172-1.575L175%2016l4.996%209.826%2011.172%201.575-8.084%207.648%201.908%2010.8zM227.5%2098.5l-9.698%205.253%201.852-11.126-7.846-7.88%2010.843-1.624L227.5%2073l4.849%2010.123%2010.843%201.624-7.846%207.88%201.852%2011.126zM109%2091.5l-9.992%205.253%201.908-11.126-8.084-7.88%2011.172-1.624L109%2066l4.996%2010.123%2011.172%201.624-8.084%207.88%201.908%2011.126zM211%20213.75l-9.992%205.099%201.908-10.8-8.084-7.648%2011.172-1.575L211%20189l4.996%209.826%2011.172%201.575-8.084%207.648%201.908%2010.8zM141.5%20180.75l-9.698%205.099%201.852-10.8-7.846-7.648%2010.843-1.575L141.5%20156l4.849%209.826%2010.843%201.575-7.846%207.648%201.852%2010.8zM52%20222.75l-9.992%205.099%201.908-10.8-8.084-7.648%2011.172-1.575L52%20198l4.996%209.826%2011.172%201.575-8.084%207.648%201.908%2010.8z%22%2F%3E%0A%20%20%3C%2Fg%3E%0A%3C%2Fsvg%3E&quot;)">l</span><span class="letter" style="background-image:url(&quot;data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20256%20256%22%3E%0A%20%20%3Cdefs%2F%3E%0A%20%20%20%20%3Cmask%20id%3D%22myMask%22%3E%0A%20%20%20%20%3Crect%20x%3D%220%22%20y%3D%220%22%20width%3D%22256%22%20height%3D%22256%22%20fill%3D%22white%22%20%2F%3E%0A%20%20%3C%2Fmask%3E%0A%20%20%3Cg%20fill%3D%22none%22%20fill-rule%3D%22evenodd%22%20mask%3D%22url(%23myMask)%22%3E%0A%20%20%20%20%3Cpath%20fill%3D%22%2300C34C%22%20d%3D%22M0%200h256v256H0z%22%2F%3E%0A%20%20%20%20%3Cpath%20fill%3D%22%23009239%22%20d%3D%22M0%2013.088L50.912%2064%200%20114.912-50.912%2064zM128%2013.088L178.912%2064%20128%20114.912%2077.088%2064zM61%2077.088L111.912%20128%2061%20178.912%2010.088%20128zM192%2077.088L242.912%20128%20192%20178.912%20141.088%20128zM192-50.912L242.912%200%20192%2050.912%20141.088%200zM61-50.912L111.912%200%2061%2050.912%2010.088%200zM61%20205.088L111.912%20256%2061%20306.912%2010.088%20256zM192%20205.088L242.912%20256%20192%20306.912%20141.088%20256zM255%2013.088L305.912%2064%20255%20114.912%20204.088%2064zM1%20141.088L51.912%20192%201%20242.912-49.912%20192zM129%20141.088L179.912%20192%20129%20242.912%2078.088%20192zM256%20141.088L306.912%20192%20256%20242.912%20205.088%20192z%22%2F%3E%0A%20%20%3C%2Fg%3E%0A%3C%2Fsvg%3E&quot;)">o</span></div>
<select class="voices"></select>
<div class="instructions">Type then press enter and I will speak (for now, I work best on a computer)</div>
              
            
!

CSS

              
                body {
  padding: 0;
  margin: 0;
  font-family: "Lilita One", sans-serif;
}

.word {
  position: relative;
  background: #e5f7ff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
  font-size: 20vw;
  text-transform: uppercase;
  overflow: hidden;
  text-align: center;
  line-height: 1;
}

input {
font-size: 1rem;
  width:1rem;
}

.word:after {
  content: " ";
  background: rgb(255, 255, 255);
  display: inline-block;
  width: 0.1em;
  height: .75em;
  animation: flash 0.5s alternate infinite;
  margin: 0 0.1em;
  position: relative;
}

.letter {
  position: relative;
  display: inline-block;
  background-clip: text;
  -webkit-text-stroke: .05em white;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0.4vh 0.4vh 0.4vh rgba(0, 0, 0, 0.3));
  animation-duration: 0.2s;
  animation-name: slidein;
  background-size: 75px 75px;
  background-repeat: repeat;
  min-width: 0.2em;
  z-index: 1;
}

@keyframes slidein {
  from {
    transform: scale(2.5) rotate(10deg);
  }

  to {
    transform: scale(1) rotate(0deg);
  }
}

@keyframes flash {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* Hiding this as my daughter doesn't need to change voices */
.voices {
  position: absolute;
  top: 1em;
  left: 1em;
  opacity: 0;
}

.instructions {
  position: fixed;
  bottom: 0.5em;
  text-align: center;
  width: 100%;
  color: #1394ce;
}

              
            
!

JS

              
                const word = document.querySelector(".word");
const synth = window.speechSynthesis;

document.addEventListener("keyup", function (event) {
  if (synth.speaking) return;

  if (
    event.code !== "Enter" &&
    event.code !== "Backspace" &&
    word.textContent.length > 8
  ) {
    const utterThis = new SpeechSynthesisUtterance(
      `Sorry, I can't handle any more letters`
    );
    sayThis(utterThis);
    return;
  }

  switch (event.code) {
    case "Enter":
      {
        const utterThis = new SpeechSynthesisUtterance(word.textContent);
        sayThis(utterThis);
      }
      break;
    case "Backspace":
      word.removeChild(word.lastChild);
      event.preventDefault();
      break;
    default:
      {
        const span = document.createElement("span");
        const letter = event.key.toLowerCase();
        span.innerHTML = String(letter);
        span.className = "letter";
        span.setAttribute("style", createStyleAttribute());
        const utterThis = new SpeechSynthesisUtterance(letter);
        sayThis(utterThis, 2);
        word.appendChild(span);
      }
      break;
  }
});

function createStyleAttribute(type) {
  const colours = colorCombos[Math.floor(Math.random() * colorCombos.length)];
  const svg = encodeURIComponent(
    svgTemplates[Math.floor(Math.random() * svgTemplates.length)](
      colours[0],
      colours[1]
    )
  );
  return `background-image:url("data:image/svg+xml,${svg}")`;
}

const svgTemplates = [
  (bg, fg) => `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 256">
  <defs/>
    <mask id="myMask">
    <rect x="0" y="0" width="256" height="256" fill="white" />
  </mask>
  <g fill="none" fill-rule="evenodd" mask="url(#myMask)">
    <path fill="${bg}" d="M0 0h256v256H0z"/>
    <path fill="${fg}" d="M0 13.088L50.912 64 0 114.912-50.912 64zM128 13.088L178.912 64 128 114.912 77.088 64zM61 77.088L111.912 128 61 178.912 10.088 128zM192 77.088L242.912 128 192 178.912 141.088 128zM192-50.912L242.912 0 192 50.912 141.088 0zM61-50.912L111.912 0 61 50.912 10.088 0zM61 205.088L111.912 256 61 306.912 10.088 256zM192 205.088L242.912 256 192 306.912 141.088 256zM255 13.088L305.912 64 255 114.912 204.088 64zM1 141.088L51.912 192 1 242.912-49.912 192zM129 141.088L179.912 192 129 242.912 78.088 192zM256 141.088L306.912 192 256 242.912 205.088 192z"/>
  </g>
</svg>`,
  (bg, fg) => `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 256">
  <defs/>
  <g fill="none" fill-rule="evenodd">
    <path fill="${bg}" d="M0 0h256v256H0z"/>
    <path fill="${fg}" d="M26.5 40.75l-9.698 5.099 1.852-10.8-7.846-7.648 10.843-1.575L26.5 16l4.849 9.826 10.843 1.575-7.846 7.648 1.852 10.8zM43.5 131.75l-9.698 5.099 1.852-10.8-7.846-7.648 10.843-1.575L43.5 107l4.849 9.826 10.843 1.575-7.846 7.648 1.852 10.8zM175 40.75l-9.992 5.099 1.908-10.8-8.084-7.648 11.172-1.575L175 16l4.996 9.826 11.172 1.575-8.084 7.648 1.908 10.8zM227.5 98.5l-9.698 5.253 1.852-11.126-7.846-7.88 10.843-1.624L227.5 73l4.849 10.123 10.843 1.624-7.846 7.88 1.852 11.126zM109 91.5l-9.992 5.253 1.908-11.126-8.084-7.88 11.172-1.624L109 66l4.996 10.123 11.172 1.624-8.084 7.88 1.908 11.126zM211 213.75l-9.992 5.099 1.908-10.8-8.084-7.648 11.172-1.575L211 189l4.996 9.826 11.172 1.575-8.084 7.648 1.908 10.8zM141.5 180.75l-9.698 5.099 1.852-10.8-7.846-7.648 10.843-1.575L141.5 156l4.849 9.826 10.843 1.575-7.846 7.648 1.852 10.8zM52 222.75l-9.992 5.099 1.908-10.8-8.084-7.648 11.172-1.575L52 198l4.996 9.826 11.172 1.575-8.084 7.648 1.908 10.8z"/>
  </g>
</svg>`,
  (bg, fg) => `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 256">
  <defs/>
  <g fill="none" fill-rule="evenodd">
    <path fill="${bg}" d="M0 0h256v256H0z"/>
    <path fill="${fg}" d="M38.5 23L49 44H28zM100.5 44L111 65H90zM143 18l10 21h-20zM223.5 34L234 55h-21zM128.5 89l10.5 20h-21zM49 88l10 21H39zM100.5 149l10.5 21H90zM180.5 88l10.5 21h-21zM32.5 210L43 231H22zM223.5 128l10.5 21h-21zM110.5 200l10.5 20h-21zM174.5 182l10.5 21h-21zM223.5 203l10.5 21h-21zM42 141l10 21H32z"/>
  </g>
</svg>`
];

const colorCombos = [
  ["#00C34C", "#009239"],
  ["#D571E1", "#72007F"],
  ["#3FCDFF", "#037FAA"],
  ["#FFF369", "#E6D617"],
  ["#FF9B0F", "#DE8201"]
];

function populateVoiceList(voiceSelect) {
  const voices = synth.getVoices();

  for (let i = 0; i < voices.length; i++) {
    let option = document.createElement("option");
    option.textContent = voices[i].name + " (" + voices[i].lang + ")";

    if (voices[i].default) {
      option.textContent += " -- DEFAULT";
    }

    option.setAttribute("data-lang", voices[i].lang);
    option.setAttribute("data-name", voices[i].name);
    voiceSelect.appendChild(option);
  }
}

if (synth.onvoiceschanged !== undefined) {
  synth.onvoiceschanged = () =>
    populateVoiceList(document.querySelector("select"));
}

function sayThis(utterThis, rate) {
  const voices = synth.getVoices();
  const voiceSelect = document.querySelector("select");
  const selectedOption = voiceSelect.selectedOptions[0];
  let selectedVoice;
  if (selectedOption) {
    selectedVoice = selectedOption.getAttribute("data-name");
  }

  for (let i = 0; i < voices.length; i++) {
    if (voices[i].name === selectedVoice) {
      utterThis.voice = voices[i];
      break;
    }
  }

  utterThis.pitch = 1;
  utterThis.rate = rate || 1.2;
  synth.speak(utterThis);
}


document.addEventListener('click', function handleDocumentClick() {
  word.innerHTML = '';  
});

              
            
!
999px

Console