<div class="logo">
  <h1>
    Hidd<span>e</span>n
    <br>
    Br<span>a</span>in
  </h1>
</div>
/*
Tutorial:
https://geoffgraham.me/hidden-brain-podcast-logo-in-css/
*/

* {
  margin: 0;
  padding: 0;
}

.logo {
  --color-bkg: #22315c;
  --color-text: #fff;
  --letter-mask: url(https://assets.codepen.io/9632/letter-e.svg);
  --m-start: 0.625rem;
  --m-end: -1.5625rem;

  background-color: var(--color-bkg);
  display: grid;
  height: 100vh;
  place-items: center;
}

.logo h1 {
  color: var(--color-text);
  font-family: Roboto, sans-serif;
  font-size: 6rem;
  line-height: 0.85;
  text-align: center;
  text-transform: uppercase;
}

.logo span {
  background-color: var(--color-text);
  display: inline-flex;
  line-height: 0.55;
  margin-inline: var(--m-start) var(--m-end);
  mask-image: var(--letter-mask);
  mask-repeat: no-repeat;
  mask-size: contain;
}
span:nth-child(3) {
  --letter-mask: url(https://assets.codepen.io/9632/letter-a.svg);
  padding: 0.4rem;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.