background-clip

background-clip: border-box;

background-clip: padding-box;

background-clip: content-box;

background-clip: text;
color: transparent;

<section id="default-example">
  <div id="example-element">This is the content of the element.</div>
</section>

#example-element {
  background-image: url("/proxy/developer.mozilla.org/shared-assets/images/examples/leopard.jpg");
  color: #d73611;
  text-shadow: 2px 2px black;
  padding: 20px;
  border: 10px dashed #333;
  font-size: 2em;
  font-weight: bold;
}

/* Keyword values */
background-clip: border-box;
background-clip: padding-box;
background-clip: content-box;
background-clip: text;

/* Global values */
background-clip: inherit;
background-clip: initial;
background-clip: unset;

<p class="border-box">The background extends behind the border.</p>
<p class="padding-box">
  The background extends to the inside edge of the border.
</p>
<p class="content-box">
  The background extends only to the edge of the content box.
</p>
<p class="text">The background is clipped to the foreground text.</p>

p {
  border: 0.8em darkviolet;
  border-style: dotted double;
  margin: 1em 0;
  padding: 1.4em;
  background: linear-gradient(60deg, red, yellow, red, yellow, red);
  font: 900 1.2em sans-serif;
  text-decoration: underline;
}

.border-box {
  background-clip: border-box;
}
.padding-box {
  background-clip: padding-box;
}
.content-box {
  background-clip: content-box;
}

.text {
  background-clip: text;
  -webkit-background-clip: text;
  color: rgba(0, 0, 0, 0.2);
}