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<!DOCTYPE html>
<html>
<head>
<style>
:root {
  --main-bg-color: coral;
  --main-txt-color: blue;  
  --main-padding: 15px;  
}
#div1 {
  background-color: var(--main-bg-color);
  color: var(--main-txt-color);  
  padding: var(--main-padding);
}
#div2 {
  background-color: var(--main-bg-color);
  color: var(--main-txt-color);
  padding: var(--main-padding);
}
#div3 {
  background-color: var(--main-bg-color);
  color: var(--main-txt-color);
  padding: var(--main-padding);
}
</style>
</head>
<body>
<h1>The var() Function</h1>
<div id="div1">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam semper diam at erat pulvinar, at pulvinar felis blandit.</div>
<br>
<div id="div2">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam semper diam at erat pulvinar, at pulvinar felis blandit.</div>
<br>
<div id="div3">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam semper diam at erat pulvinar, at pulvinar felis blandit.</div>
</body>
</html>