CodePen Embed - Testing Only

<main>
  <section class="mast">
    <figure class="mast__bg" style="background-image:url(https://unsplash.it/1800/800?image=893)"></figure>
    <header class="mast__header">
      <h1 class="mast__title js-spanize"><span>I</span><span>n</span><span>c</span><span>o</span><span>m</span><span>i</span><span>n</span><span>g</span><span> </span><span>T</span><span>r</span><span>a</span><span>n</span><span>s</span><span>m</span><span>i</span><span>s</span><span>s</span><span>i</span><span>o</span><span>n</span></h1>
      <hr class="sep">
      <p class="mast__text js-spanize"><span>T</span><span>h</span><span>i</span><span>s</span><span> </span><span>i</span><span>s</span><span> </span><span>a</span><span> </span><span>s</span><span>t</span><span>o</span><span>r</span><span>y</span><span>,</span><span> </span><span>a</span><span>l</span><span>l</span><span> </span><span>a</span><span>b</span><span>o</span><span>u</span><span>t</span><span> </span><span>h</span><span>o</span><span>w</span><span>,</span><span> </span><span>
        </span><span>M</span><span>y</span><span> </span><span>l</span><span>i</span><span>f</span><span>e</span><span> </span><span>g</span><span>o</span><span>t</span><span> </span><span>t</span><span>w</span><span>i</span><span>s</span><span>t</span><span>e</span><span>d</span><span> </span><span>u</span><span>p</span><span>s</span><span>i</span><span>d</span><span>e</span><span> </span><span>d</span><span>o</span><span>w</span><span>n</span><span>.</span><span> </span><span>
        </span><span>S</span><span>o</span><span> </span><span>I</span><span>'</span><span>d</span><span> </span><span>l</span><span>i</span><span>k</span><span>e</span><span> </span><span>t</span><span>o</span><span> </span><span>t</span><span>e</span><span>l</span><span>l</span><span> </span><span>a</span><span> </span><span>s</span><span>t</span><span>o</span><span>r</span><span>y</span><span>,</span><span> </span><span>j</span><span>u</span><span>s</span><span>t</span><span> </span><span>s</span><span>i</span><span>t</span><span> </span><span>r</span><span>i</span><span>g</span><span>h</span><span>t</span><span> </span><span>t</span><span>h</span><span>e</span><span>r</span><span>e</span><span>.</span><span> </span><span>
        </span><span>A</span><span>n</span><span>d</span><span> </span><span>I</span><span>'</span><span>l</span><span>l</span><span> </span><span>t</span><span>e</span><span>l</span><span>l</span><span> </span><span>y</span><span>o</span><span>u</span><span> </span><span>h</span><span>o</span><span>w</span><span> </span><span>I</span><span> </span><span>b</span><span>e</span><span>c</span><span>a</span><span>m</span><span>e</span><span> </span><span>t</span><span>h</span><span>e</span><span> </span><span>p</span><span>r</span><span>i</span><span>n</span><span>c</span><span>e</span><span> </span><span>o</span><span>f</span><span> </span><span>B</span><span>e</span><span>l</span><span> </span><span>A</span><span>i</span><span>r</span><span>.</span></p>

    </header>
  </section>
</main>

*,
*:before,
*:after {
  box-sizing: border-box;
}

body {
  margin: 0;
  width: 100%;
  font-family: "Cutive Mono", monospace;
  line-height: 1.5;
  font-weight: 400;
  font-style: normal;
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  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}


.sep {
  border: 0;
  width: 3em;
  height: 1px;
  margin: 1em 0;
  background-color: rgba(255, 255, 255, 0.4);
}

.mast {
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  display: -webkit-box;
  display: flex;
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  align-items: center;
  width: 100%;
  height: 100vh;
  color: #fff;
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}
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  -webkit-animation-delay: 5.35s;
  animation-delay: 5.35s;
}
.mast__text span:nth-child(108) {
  -webkit-animation-delay: 5.4s;
  animation-delay: 5.4s;
}
.mast__text span:nth-child(109) {
  -webkit-animation-delay: 5.45s;
  animation-delay: 5.45s;
}
.mast__text span:nth-child(110) {
  -webkit-animation-delay: 5.5s;
  animation-delay: 5.5s;
}
.mast__text span:nth-child(111) {
  -webkit-animation-delay: 5.55s;
  animation-delay: 5.55s;
}
.mast__text span:nth-child(112) {
  -webkit-animation-delay: 5.6s;
  animation-delay: 5.6s;
}
.mast__text span:nth-child(113) {
  -webkit-animation-delay: 5.65s;
  animation-delay: 5.65s;
}
.mast__text span:nth-child(114) {
  -webkit-animation-delay: 5.7s;
  animation-delay: 5.7s;
}
.mast__text span:nth-child(115) {
  -webkit-animation-delay: 5.75s;
  animation-delay: 5.75s;
}
.mast__text span:nth-child(116) {
  -webkit-animation-delay: 5.8s;
  animation-delay: 5.8s;
}
.mast__text span:nth-child(117) {
  -webkit-animation-delay: 5.85s;
  animation-delay: 5.85s;
}
.mast__text span:nth-child(118) {
  -webkit-animation-delay: 5.9s;
  animation-delay: 5.9s;
}
.mast__text span:nth-child(119) {
  -webkit-animation-delay: 5.95s;
  animation-delay: 5.95s;
}
.mast__text span:nth-child(120) {
  -webkit-animation-delay: 6s;
  animation-delay: 6s;
}
.mast__text span:nth-child(121) {
  -webkit-animation-delay: 6.05s;
  animation-delay: 6.05s;
}
.mast__text span:nth-child(122) {
  -webkit-animation-delay: 6.1s;
  animation-delay: 6.1s;
}
.mast__text span:nth-child(123) {
  -webkit-animation-delay: 6.15s;
  animation-delay: 6.15s;
}
.mast__text span:nth-child(124) {
  -webkit-animation-delay: 6.2s;
  animation-delay: 6.2s;
}
.mast__text span:nth-child(125) {
  -webkit-animation-delay: 6.25s;
  animation-delay: 6.25s;
}
.mast__text span:nth-child(126) {
  -webkit-animation-delay: 6.3s;
  animation-delay: 6.3s;
}
.mast__text span:nth-child(127) {
  -webkit-animation-delay: 6.35s;
  animation-delay: 6.35s;
}
.mast__text span:nth-child(128) {
  -webkit-animation-delay: 6.4s;
  animation-delay: 6.4s;
}
.mast__text span:nth-child(129) {
  -webkit-animation-delay: 6.45s;
  animation-delay: 6.45s;
}
.mast__text span:nth-child(130) {
  -webkit-animation-delay: 6.5s;
  animation-delay: 6.5s;
}
.mast__text span:nth-child(131) {
  -webkit-animation-delay: 6.55s;
  animation-delay: 6.55s;
}
.mast__text span:nth-child(132) {
  -webkit-animation-delay: 6.6s;
  animation-delay: 6.6s;
}
.mast__text span:nth-child(133) {
  -webkit-animation-delay: 6.65s;
  animation-delay: 6.65s;
}
.mast__text span:nth-child(134) {
  -webkit-animation-delay: 6.7s;
  animation-delay: 6.7s;
}
.mast__text span:nth-child(135) {
  -webkit-animation-delay: 6.75s;
  animation-delay: 6.75s;
}
.mast__text span:nth-child(136) {
  -webkit-animation-delay: 6.8s;
  animation-delay: 6.8s;
}
.mast__text span:nth-child(137) {
  -webkit-animation-delay: 6.85s;
  animation-delay: 6.85s;
}
.mast__text span:nth-child(138) {
  -webkit-animation-delay: 6.9s;
  animation-delay: 6.9s;
}
.mast__text span:nth-child(139) {
  -webkit-animation-delay: 6.95s;
  animation-delay: 6.95s;
}
.mast__text span:nth-child(140) {
  -webkit-animation-delay: 7s;
  animation-delay: 7s;
}
.mast__text span:nth-child(141) {
  -webkit-animation-delay: 7.05s;
  animation-delay: 7.05s;
}
.mast__text span:nth-child(142) {
  -webkit-animation-delay: 7.1s;
  animation-delay: 7.1s;
}
.mast__text span:nth-child(143) {
  -webkit-animation-delay: 7.15s;
  animation-delay: 7.15s;
}
.mast__text span:nth-child(144) {
  -webkit-animation-delay: 7.2s;
  animation-delay: 7.2s;
}
.mast__text span:nth-child(145) {
  -webkit-animation-delay: 7.25s;
  animation-delay: 7.25s;
}
.mast__text span:nth-child(146) {
  -webkit-animation-delay: 7.3s;
  animation-delay: 7.3s;
}
.mast__text span:nth-child(147) {
  -webkit-animation-delay: 7.35s;
  animation-delay: 7.35s;
}
.mast__text span:nth-child(148) {
  -webkit-animation-delay: 7.4s;
  animation-delay: 7.4s;
}
.mast__text span:nth-child(149) {
  -webkit-animation-delay: 7.45s;
  animation-delay: 7.45s;
}
.mast__text span:nth-child(150) {
  -webkit-animation-delay: 7.5s;
  animation-delay: 7.5s;
}
.mast__text span:nth-child(151) {
  -webkit-animation-delay: 7.55s;
  animation-delay: 7.55s;
}
.mast__text span:nth-child(152) {
  -webkit-animation-delay: 7.6s;
  animation-delay: 7.6s;
}
.mast__text span:nth-child(153) {
  -webkit-animation-delay: 7.65s;
  animation-delay: 7.65s;
}
.mast__text span:nth-child(154) {
  -webkit-animation-delay: 7.7s;
  animation-delay: 7.7s;
}
.mast__text span:nth-child(155) {
  -webkit-animation-delay: 7.75s;
  animation-delay: 7.75s;
}
.mast__text span:nth-child(156) {
  -webkit-animation-delay: 7.8s;
  animation-delay: 7.8s;
}
.mast__text span:nth-child(157) {
  -webkit-animation-delay: 7.85s;
  animation-delay: 7.85s;
}
.mast__text span:nth-child(158) {
  -webkit-animation-delay: 7.9s;
  animation-delay: 7.9s;
}
.mast__text span:nth-child(159) {
  -webkit-animation-delay: 7.95s;
  animation-delay: 7.95s;
}
.mast__text span:nth-child(160) {
  -webkit-animation-delay: 8s;
  animation-delay: 8s;
}
.mast__text span:nth-child(161) {
  -webkit-animation-delay: 8.05s;
  animation-delay: 8.05s;
}
.mast__text span:nth-child(162) {
  -webkit-animation-delay: 8.1s;
  animation-delay: 8.1s;
}
.mast__text span:nth-child(163) {
  -webkit-animation-delay: 8.15s;
  animation-delay: 8.15s;
}
.mast__text span:nth-child(164) {
  -webkit-animation-delay: 8.2s;
  animation-delay: 8.2s;
}
.mast__text span:nth-child(165) {
  -webkit-animation-delay: 8.25s;
  animation-delay: 8.25s;
}
.mast__text span:nth-child(166) {
  -webkit-animation-delay: 8.3s;
  animation-delay: 8.3s;
}
.mast__text span:nth-child(167) {
  -webkit-animation-delay: 8.35s;
  animation-delay: 8.35s;
}
.mast__text span:nth-child(168) {
  -webkit-animation-delay: 8.4s;
  animation-delay: 8.4s;
}
.mast__text span:nth-child(169) {
  -webkit-animation-delay: 8.45s;
  animation-delay: 8.45s;
}
.mast__text span:nth-child(170) {
  -webkit-animation-delay: 8.5s;
  animation-delay: 8.5s;
}
.mast__text span:nth-child(171) {
  -webkit-animation-delay: 8.55s;
  animation-delay: 8.55s;
}
.mast__text span:nth-child(172) {
  -webkit-animation-delay: 8.6s;
  animation-delay: 8.6s;
}
.mast__text span:nth-child(173) {
  -webkit-animation-delay: 8.65s;
  animation-delay: 8.65s;
}
.mast__text span:nth-child(174) {
  -webkit-animation-delay: 8.7s;
  animation-delay: 8.7s;
}
.mast__text span:nth-child(175) {
  -webkit-animation-delay: 8.75s;
  animation-delay: 8.75s;
}
.mast__text span:nth-child(176) {
  -webkit-animation-delay: 8.8s;
  animation-delay: 8.8s;
}
.mast__text span:nth-child(177) {
  -webkit-animation-delay: 8.85s;
  animation-delay: 8.85s;
}
.mast__text span:nth-child(178) {
  -webkit-animation-delay: 8.9s;
  animation-delay: 8.9s;
}
.mast__text span:nth-child(179) {
  -webkit-animation-delay: 8.95s;
  animation-delay: 8.95s;
}
.mast__text span:nth-child(180) {
  -webkit-animation-delay: 9s;
  animation-delay: 9s;
}

@-webkit-keyframes letter-glow {
  0% {
    opacity: 0;
    text-shadow: 0px 0px 1px rgba(255, 255, 255, 0.1);
  }
  66% {
    opacity: 1;
    text-shadow: 0px 0px 20px rgba(255, 255, 255, 0.9);
  }
  77% {
    opacity: 1;
  }
  100% {
    opacity: 0.7;
    text-shadow: 0px 0px 20px rgba(255, 255, 255, 0);
  }
}

@keyframes letter-glow {
  0% {
    opacity: 0;
    text-shadow: 0px 0px 1px rgba(255, 255, 255, 0.1);
  }
  66% {
    opacity: 1;
    text-shadow: 0px 0px 20px rgba(255, 255, 255, 0.9);
  }
  77% {
    opacity: 1;
  }
  100% {
    opacity: 0.7;
    text-shadow: 0px 0px 20px rgba(255, 255, 255, 0);
  }
}

/* NOT MY WORK !!!!!! 

Compiled SCSS and html copied from :

https://codepen.io/StephenScaff/pen/oLBqmw

In answer to forum question here:

https://www.sitepoint.com/community/t/how-can-i-get-this-animation-from-codepen-to-work/360481/4

/*

Run Pen

This Pen is owned by Paul O'Brien on CodePen.

See more by @paulobrien on CodePen

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.