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Using Bootstrap Glyphicons in your css

Bootstrap includes a large set of icons based on the Glyphicon Halflings set. Using these icons is easy as you only need to specify some class information in your html:

<button type="button" class="btn btn-default" aria-label="Left Align">
  <span class="glyphicon glyphicon-align-left" aria-hidden="true"></span>
</button>
However I had a situation recently where I didn’t want to specify the icon inside my html but inside my css instead. This is certainly possible by specifying a font-family and set the icon using the content property alongside a unicode hex entity:

span.icon:before { 
  font-family: 'Glyphicons Halflings'; 
  content: "\f015"; 
}

To add this icon to a page, add this HTML tag anywhere in the body of your page:

<span class="icon"></span>
But where does this hex entity comes from? Check out the glyphicons cheat sheet. It allows you to easily copy the related hex code from each icon in the set:
image
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