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              <div class="l-wrapper">
    <svg class="svg--parent">
      <clippath id="cp-def">
        <rect width="200" height="100" fill="green"></rect>
      <symbol id="s-circles">
        <g class="g-circles">
          <circle r="90" cx="100" cy="100" clip-path="url(#cp-def)"></circle>
          <circle r="70" cx="100" cy="100"></circle>
          <circle r="50" cx="100" cy="100"></circle>
          <circle r="30" cx="100" cy="100"></circle>
          <circle r="10" cx="100" cy="100"></circle>
      <symbol id="s-circles-pair">
        <use xlink:href="#s-circles"></use>
        <use xlink:href="#s-circles" 
             transform="translate(180,0) rotate(180,100,99.6)"></use>
      <symbol id="s-circles-group">
          <use xlink:href="#s-circles-pair"></use>
          <use xlink:href="#s-circles-pair" 
      <pattern id="p-lines" 
               viewBox="0 0 509 509"
               width="200" height="200">
        <g transform="translate(-100,-100) rotate(-45, 350, 350)">
          <use xlink:href="#s-circles-group"></use>
          <use xlink:href="#s-circles-group" 
          <use xlink:href="#s-circles-group" 
          <use xlink:href="#s-circles-group" 
    <rect width="200%" height="200%" class="r-filled"></rect>
              @mixin posabs {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;

  background: #222;
  overflow: hidden;

svg {
  overflow: visible;  

.svg--parent {
  position: absolute;
  width: 100%;
  height: 100%;
  min-width: 510px;
  min-height: 510px;

.l-wrapper {
  @include posabs;

.r-bounds {
  fill: none;
  stroke-width: 1;
/*   stroke: red; */

.r-filled {
  fill: url(#p-lines);

.g-pattern-shapes {
  fill: none;

$max: 5;
$color-step: 360/$max;

$colors: null, #E62738, #FF893B, #FFCA53, #FFE87A, #468071, teal;

.g-circles {
  fill: none;
  stroke-width: 10;
/*   stroke-dasharray: 3; */
  circle {
    @for $item from 0 through $max {
      &:nth-child(#{$max}n + #{$item}){
        $color: nth($colors,$item+1);
        stroke: $color;    


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