<h1>Subgrid Forms</h1>

<form action="">
  <label for="name" class="field">
    <span class="label-text">Full Name (Örn: Ali Veli)</span>
    <input type="text" id="name">
  </label>
  <label for="email" class="field">
    <span class="label-text">Email</span>
    <input type="email" id="email">
  </label>
  <label for="message" class="field">
    <span class="label-text">Longer</span>
    <textarea name="" id="message"></textarea>
  </label>
  <button>send!</button>
</form>
form {
  display: grid;
  grid-template-columns: max-content 1fr;
  margin-bottom: 1em;
  gap: 1.2em;
}

/* Subgrid */

.field {
  grid-column: span 2;
  display: grid;
  grid-template-columns: subgrid;
}



















/* Styles */
html {
  --light: 1;
  --dark: -1;
  --mode: var(--demo-mode, var(--os-mode, 1));
  --unmode: calc(var(--mode) * -1);
  --zero: calc((var(--mode) + 1) / 2);
  --unzero: calc((var(--unmode) + 1) / 2);
  
  /* fonts */
  --zilla: 'Zilla Slab', serif;
  --zilla-highlight: 'Zilla Slab Highlight', serif;
  --inter: 'Inter', sans-serif;
  
  /* primary colors */
  --neon-blue: #00ffff;
  --lemon-yellow: #fff44f;
  --warm-red: #ff4f5e;
  --neon-green: #54ffbd;
  --dark-purple: #6e008b;

  /* secondary colors */
  --dark-green: #005e5e;
  --dark-blue: #00458b;
  --dark-grey: #959595;
  --light-grey: #e7e5e2;

  /* main color usage */
  --background: hsl(0deg, 100%, calc(100% * var(--mode)));
  --color: hsl(0deg, 100%, calc(100% * var(--unmode)));
  --callout: hsla(0deg, 0%, 50%, 0.25);

  /* action colors */
  --action: hsl(
    180deg,
    50%,
    calc((50% * var(--unzero)) + (18% * var(--zero)))
  );
  --hover: hsl(
    180deg,
    100%,
    calc((50% * var(--unzero)) + (18% * var(--zero)))
  );
  
  /* sizes */
  --font-scale: 0.5vmin;
  --radius: 0.25em;

  /* applied… */
  background-color: var(--background);
  color: var(--color);
  font-family: var(--inter);
  font-size: calc(1em + var(--font-scale));
  line-height: 1.4;
}

@media (prefers-color-scheme: dark) {
  html { 
    --os-mode: -1; 
  }
}
/* Reset */

* { box-sizing: border-box; }

body {
  align-content: center;
  background-color: var(--neon-blue);
  display: grid;
  grid-gap: 1em;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  padding: 1em;
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--dark-blue);
  }
}

h1 {
  grid-column: 1 / -1;
}

form {
  width: 80vw;
  max-width: 30em;
}

input[type=text],
input[type=email],
textarea {
  background: var(--callout);
  border: 2px solid var(--action);
  border-radius: 0 var(--radius);
  color: var(--color);
  font-family: var(--zilla);
  padding: 0.25em;
}

input[type=text]:focus,
input[type=email]:focus,
textarea:focus {
  border-color: var(--hover);
}

textarea {
  min-height: 6em;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.