id selector example

by VIvek Vaishnav

HTML

<html>

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

  <body>
    <div id="box">This is a box</div>
  </body>

</html>

CSS

#box {
  width: 100px;
  height: 100px;
  background-color: #33abe2;
}