create instagram icon in css code example

Example 1: how to add favicon in html

<link rel="shortcut icon" type="image/png" href="Link to the image"/>

Example 2: how to add a background image in html

<!-- HTML -->
<div id="imageDiv"></div>

<!-- CSS -->
<style>
  #imageDiv {
	background-image: url('someimage.png');
  }
</style>