Pseudo-classes :target

The :target pseudo-class represents an element that is the target element of the referring URI.

Syntax

:target{ properties }

[style.css]

 a:link, a:visited{
   color: red;
 }
 :target::before{
   content: "Here. ";
 }

[index.html]

<body>
  <p><a href="#target1">Go to down!</a></p>
  <p id="target1">target1</p>
</body>

CSS defines the :target pseudo-class in 6.6.2. The target pseudo-class :target.