Live example 1

by Alexander

HTML

<div>
 Lorem ipsum dolor sit amet...
  <div class="border"></div>
 Some more text.
</div> 

























<!-- Learn about this code on MDN: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value -->

CSS

:root {
  color: red;
  font-size: 1.5em;
}

.border {
  background: red;
  height: 2px;
  margin: 10px 0;
}

/*
div {
   color: black;
}
*/