Spectrum sample
<html class="spectrum spectrum--light spectrum--medium">
<head>
<link rel="stylesheet" href="node_modules/@spectrum-css/vars/dist/spectrum-global.css">
<link rel="stylesheet" href="node_modules/@spectrum-css/vars/dist/spectrum-medium.css">
<link rel="stylesheet" href="node_modules/@spectrum-css/vars/dist/spectrum-light.css">
<link rel="stylesheet" href="node_modules/@spectrum-css/page/dist/index-vars.css">
<link rel="stylesheet" href="node_modules/@spectrum-css/button/dist/index-vars.css">
</head>
<body>
<button class="spectrum-Button spectrum-Button--cta spectrum-Button--sizeM">
<span class="spectrum-Button-label">Button</span>
</button>
</body>
</html>