Adjacent sibling selector example

HTML

<html>

  <head>
    <link rel="stylesheet" type="text/css" href="style.css">
  </head>

  <body>
<p> This is paragraph one.</p>
<p> This is paragraph two.</p>
<p> This is paragraph three.</p> 
<p>
This is paragraph four
</p>

  </body>

</html>

CSS

p+p{color:silver;}