Check out example codes for "social media icon bar html". It will help you in understanding the concepts better.

Code Example 1

/* Style all font awesome icons */
.fa {  
  padding: 20px;  
  font-size: 30px;  
  width: 50px;  
  text-align: center;  
  text-decoration: none;
}
  /* Add a hover effect if you want */
.fa:hover {  
  opacity: 0.7;
}
/* Set a specific color for each brand *//* Facebook */
.fa-facebook {  
  background: #3B5998;  
  color: white;
}

/* Twitter */
.fa-twitter {  
  background: #55ACEE;  
  color: white;
}

Code Example 2

<!-- Add icon library -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">

<!-- Add font awesome icons -->
<a href="#" class="fa fa-facebook"></a><a href="#" class="fa fa-twitter"></a>
  ...

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