span{
font-size: 14px;
font-weight: 900;
position: absolute;
border: solid blue;
border-radius: 60%;
height: 14px;
width: 8px;
background:blue;
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
</style>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
</head>
<body>
<i class="fa" style="font-size:24px"></i>
<span> 5 </span>
</body>
</html>