<html>
<head>
<link href="https://unpkg.com/tailwindcss@^1.0/dist/tailwind.min.css" rel="stylesheet">
</head>
<body>
<!-- blue background, rounded, thick left border -->
<div><button class="">Submit</button></div>
<!-- Red text, outlined -->
<div><button class="">Cancel</button></div>
<!-- light Indigo background, bottom border, indigo text -->
<div><button class="">Save</button></div>
<!-- Thick rounded, lots of padding, large button -->
<div><button class="">Buy Now</button></div>
<!-- Outlined, serif font, uppercase, rounded -->
<div><button class="">Send Postcard</button></div>
</body>
</html>