<html>
<head>
<link rel = stylesheet href = /css_buttons/btns.css>
</head>
<body>
<button class = btn btn-lg btn-blue>Large</button>
<button class = btn btn-sm btn-blue>Small</button>
</body>
</html>
<html>
<head>
<link rel = stylesheet href = /css_buttons/btns.css>
</head>
<body>
<button class = btn btn-lg btn-blue>Large</button>
<button class = btn btn-sm btn-blue>Small</button>
</body>
</html>