<header>
  <h1 class="dynamic-text-shadow"><code>font-size</code> Contextual Text Shadows</h1>
  <h2 class="dynamic-text-shadow">powered by <code>em</code></h2>
</header>
.dynamic-text-shadow {
  /*  larger font size, more shadow distance  */
  text-shadow: .1em .1em 0 hsl(200 50% 30%);
}








* {
  box-sizing: border-box;
  margin: 0;
}

html {
  block-size: 100%;
  background: hsl(200 50% 50%);
  color: hsl(200 50% 90%);
}

h1 {
  font-size: 5rem;
  font-weight: 900;
  line-height: 1.1;
  max-inline-size: 15ch;
}

@media (max-width: 480px) {
  h1 {
    font-size: 2.5rem;
  }
}

h2 {
  text-transform: uppercase;
  text-align: end;
}

code {
  color: white;
}

header {
  display: grid;
  gap: 1ch;
}

body {
  min-block-size: 100%;
  font-family: 'Fugaz One', cursive;
  
  display: grid;
  place-content: center;
  padding: 5vmin;
}

External CSS

  1. https://fonts.googleapis.com/css2?family=Fugaz+One&amp;display=swap

External JavaScript

This Pen doesn't use any external JavaScript resources.