CodePen Embed - CSS-doodle Pure CSS Pattern

Live

​x
 
<main>
​
  <css-doodle grid="1x100" #1>
    @place-cell: center;
    @size: calc(100% - @calc(@index() - 1) * 1%);
    transform: rotate(calc(@index() * 60deg));
​
    background: rgba(0, 0, 0, calc((@index * 0.01)));
    @even {
      background: rgba(255, 255, 255, calc((@index * 0.01)));
    }
  </css-doodle>
​
  <css-doodle grid="1x100" #2>
    @place-cell: center;
    @size: calc(100% - @calc(@index() - 1) * 1%);
    transform: rotate(calc(@index() * 60deg));
​
    background: #000;
    @even {
      background: rgba(255, 255, 255, calc((@index * 0.01)));
    }
  </css-doodle>
​
  <css-doodle grid="1x100" #3>
    @place-cell: center;
    @size: calc(100% - @calc(@index() - 1) * 1%);
    transform: rotate(calc(@index() * 60deg));
​
    background: rgba(255, 255, 255, calc((@index * 0.01)));
    @even {
      background: rgba(255, 255, 255, calc((@index * 0.01)));
    }
  </css-doodle>
​
  <css-doodle grid="1x100" #4>
    :doodle {
      @grid: 1x100 / 100vmin;
    }
    @place-cell: center;
    @size: calc(100% - @calc(@index() - 1) * 1%);
    transform: rotate(calc(@index() * 45deg));
​
    background: rgba(0, 0, 0, calc((@index * 0.01)));
    @even {
      background: rgba(255, 255, 255, calc((@index * 0.01)));
    }
  </css-doodle>
​
  <css-doodle grid="1x100" #5>
    :doodle {
      @grid: 1x100 / 100vmin;
    }
    @place-cell: center;
    @size: calc(100% - @calc(@index() - 1) * 1%);
    transform: rotate(calc(@index() * 89deg));
​
    background: rgba(0, 0, 0, calc((@index * 0.01)));
    @even {
      background: rgba(255, 255, 255, calc((@index * 0.01)));
    }
  </css-doodle>
​
  <css-doodle grid="1x100" #6>
    :doodle {
      @grid: 1x100 / 100vmin;
    }
    @place-cell: center;
    @size: calc(100% - @calc(@index() - 1) * 1%);
    transform: rotate(calc(@index() * 44.6deg));
​
    background: rgba(0, 0, 0, calc((@index * 0.008)));
    @even {
      background: rgba(255, 255, 255, calc((@index * 0.005)));
    }
  </css-doodle>
  <p>
    CSS Art with
    <a target="_blank" href="http://yuanchuan.name/css-doodle/">
      &lt;css-doodle /&gt;
    </a>
  </p>
​
</main>

Live

xxxxxxxxxx
 
:root {
  --body-bg: #0a0c27;
  --doodle-bg: #000;
  --col: 6;
  --gap: 2px;
  --width: 95vw;
  --size: calc((var(--width) - (var(--col) - 1) * var(--gap)) / var(--col));
}
​
html, body {
  height: 100%;
  margin: 0;
  background: var(--body-bg);
}
​
body {
  display: flex;
  align-items: center;
}
​
main {
  display: grid;
  width: var(--width);
  margin: auto;
  background: var(--body-bg); 
  padding: calc(50vw - var(--width) / 2) 0;
  grid-template-columns: repeat(var(--col), 1fr);
  grid-gap: var(--gap);
  position: relative;
  padding-bottom: 5em;
}
​
p {
  position: absolute;
  bottom: 2em;
  margin: 0;
  width: 100%;
  text-align: center;
  font-family: cursive;
  font-size: .9em;
  line-height: 1;
  color: rgba(74, 78, 113, .5);
}
p a {
  text-decoration: none;
  color: rgba(128, 53, 101, .8);
  background: linear-gradient(to left, currentColor 50%, transparent 50%) 0 100% repeat-x;
  background-size: 2px 1px;
}
p a:hover {
  color: rgba(128, 53, 101, 1);
}
​
css-doodle {
  overflow: hidden;
  width: var(--size);
  height: var(--size);
  background: var(--doodle-bg);
}
​
@media screen and (max-width: 80em) {
  :root { --col: 3; }
}
​
@media screen and (max-width: 47.5em) {
  :root { --col: 2; }
}
​
@media screen and (max-width: 25em) {
  :root { --col: 1; }
}

Live

xxxxxxxxxx
 
document.addEventListener('click', function(e) {
  e.target.update && e.target.update();  
});
​
// const doodle = document.querySelector('css-doodle');
// console.log('doodle', doodle.seed);

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External CSS

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External JavaScript

https://cdnjs.cloudflare.com/ajax/libs/css-doodle/0.13.8/css-doodle.min.js