Using Font Awesome
by bvotcode
HTML
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">
</head>
<body>
<center>
<abutton href="www.abc.com">
<span> <i class="fa fa-check-circle fa-1.5x" aria-hidden="true"> </i>
<span> Name A</span> </span>
</abutton>
<abutton href="www.xyz.com">
<i class="fa fa-check-circle fa-1.5x" aria-hidden="true">
<span> Name B</span>
</i>
</abutton>
</center>
</body>
</html>
CSS
abutton .fa{
color:blue;
}
abutton span{
color:green;
}
abutton .fa:active,
abutton .fa:focus,
abutton .fa:hover{
color:red;
}
abutton span:active,
abutton span:focus,
abutton span:hover {
color: red;
}
abutton:visited {
color: yellow;
}