How to insert custom social icons on career site's footer?

Summary:

Custom icons on career site's footer

Content (required):

Hi, I’m creating a custom footer social section on my Career Site.

My goal is to have something like this:

At the moment my code is the following:

 

It works fine except the image loading (src = …).

To get the right Icon, I loaded the image file in the Content Server:

 

And I took this link:

 

But the result is not as expected:

 

Do you know why it happens like this?

Thank you

Version (include the version you are using, if applicable):

23B

Code Snippet (add any code snippets that support your topic, if applicable):