font-awesome not working

I have a wordpress site and I installed the shortcode plugin.
I am trying to install a button and I put an icon on it.
When I load my site here you can see it under the slider, the button that says photo gallery
it's on the blue background. You see there is a space , but no icon showing.
I have the font-awesome css on the page. what else might I be missing to make it work?
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Edwin HofferTechnical ExpertCommented:
Hello rivkamak,

There is no icon for video camera, try to use "icon-camera" in the class (the code will be this: <i class="icon-camera" style="font-size:25px;color:#FFFFFF"></i>)

Hope it resolved your issue.

Best Regards
rivkamakAuthor Commented:
I've requested that this question be deleted for the following reason:

no response
rivkamakAuthor Commented:
i changed the class to this : fa fa-icon-camera and it's still not showing up?
i changed it to be a simple check and it's not showing either.
i don't see if being picked up in the inspect element tab.
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Edwin HofferTechnical ExpertCommented:
Sometimes response takes time, so you can't close the question without any solution.

As I can see now is the font-awesome icons are there on the button.
rivkamakAuthor Commented:
I had to install a newer version of font-awesome and then it worked.

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rivkamakAuthor Commented:
No one else had the correct answer . I figured it out myself.
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