<div class="main">
  <p>CSS-only shader with text-clip. Scroll Down ⬇️</p>
  <h1 class="metal">
    METAL
    <span class="texture"></span>   
  </h1>
    <p>For more on this technique, check out <a target="_blank" href="https://robbowen.digital/wrote-about/css-blend-mode-shaders/">Holograms, light-leaks and how to build CSS-only shaders.</a></p>
  <p><a target="_blank" href="https://unsplash.com/photos/v6uiP2MD6vs">Metal image</a> by <a target="_blank" href="https://unsplash.com/@etiennemartin">Etienne Martin on unsplash</a></p>
</div>

body {
  /* Metal by Etienne Martin. https://unsplash.com/photos/v6uiP2MD6vs */
  --metal-tex: url(https://images.unsplash.com/photo-1501166222995-ff31c7e93cef?crop=entropy&cs=tinysrgb&fm=jpg&ixid=MnwzMjM4NDZ8MHwxfHJhbmRvbXx8fHx8fHx8fDE2NTcyMDc2NzU&ixlib=rb-1.2.1&q=80);
  
  background: black;
  color: white;
  font-family: system-ui, sans-serif;
}

a {
  color: skyblue;
  font-weight: bold;
}

.main {
  margin: 40px auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.metal {
  position: relative;
  margin: 15vh auto;
  color: transparent;
  font-family: impact, sans-serif;
  font-size: 25vw;
  letter-spacing: 0.05em;
  background-image: var(--metal-tex);
  background-size: cover;
  background-clip: text;
  -webkit-background-clip: text;
}

.texture,
.texture::after {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
  
.texture {
  background-image: linear-gradient(to bottom, blue, white 50%, red 65%, white);
  background-attachment: fixed;
  mix-blend-mode: color-dodge;
}

.texture::after {
  content: '';
  background-image: var(--metal-tex);
  background-size: cover;
  filter: saturate(0) brightness(0.8) contrast(4);
  mix-blend-mode: multiply;
}