Try it Live

​x
 
<!DOCTYPE html>
<html>
  <head>
    <style>
      div > h1 {
       border:2px solid black;
       background-color:gold;
      }
    </style>
  </head>
  <body>
    <h2>Example of Child Selector</h2>
    <h1>This is heading 1 outside a div tag</h1>
    <div>
      <h1> This is heading 1 inside a div tag</h1>
      <h1> This is heading 1 inside a div tag</h1>
    </div>
    <h1>This is heading 1 outside a div tag</h1>
    <p>child selector is denoted using >(greater than sign)</p>
  </body>
</html>
​