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              <h1>Styling Attribute Ranges</h1>
<h2>with Element Queries</h2>

<label for=low>
  <input id=low type=range min=0 max=30 oninput="high.value=Math.max(value,high.value)" value=10>
<label for=high>
  <input id=high type=range min=0 max=30 oninput="low.value=Math.min(value,low.value)" value=20>

  <li data-num=1>One
  <li data-num=2>Two
  <li data-num=3>Three
  <li data-num=4>Four
  <li data-num=5>Five
  <li data-num=6>Six
  <li data-num=7>Seven
  <li data-num=8>Eight
  <li data-num=9>Nine
  <li data-num=10>Ten
  <li data-num=11>Eleven
  <li data-num=12>Twelve
  <li data-num=13>Thirteen
  <li data-num=14>Fourteen
  <li data-num=15>Fifteen
  <li data-num=16>Sixteen
  <li data-num=17>Seventeen
  <li data-num=18>Eightteen
  <li data-num=19>Nineteen
  <li data-num=20>Twenty
  <li data-num=21>Twenty One
  <li data-num=22>Twenty Two
  <li data-num=23>Twenty Three
  <li data-num=24>Twenty Four
  <li data-num=25>Twenty Five
  <li data-num=26>Twenty Six
  <li data-num=27>Twenty Seven
  <li data-num=28>Twenty Eight
  <li data-num=29>Twenty Nine
  <li data-num=30>Thirty
              label {
  display: block;
  text-align: center;
  padding: 1em;
  float: left;
  width: 50%;
label:after {
  display: block;
  font-weight: 900;
  font-size: 24pt;
  margin: 1em 0;
label:after {
  font-size: 18pt;
  font-weight: 400;
  margin: .5em 0;
[for=low]:before {
  content: 'Min';
[for=high]:before {
  content: 'Max';
input {
 width: 100%;
  clear: both;
@element [type=range] {
  $parent:after {
    content: 'eval('value')';
@element [data-num] {

  /* Select elements between Min and Max slider value */
    var num = parseInt(getAttribute("data-num"));
    low.value <= num && num <= high.value && "$this"') {
    color: black;
    background: lime;

  /* Dotted white border for elements with values between 10–15 */
    var num = parseInt(getAttribute("data-num"));
    10 <= num && num <= 15 && "$this"') {
    border: 1px dotted red;

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