gradient-button-ref.html
<!doctype html>
<meta charset="utf-8">
<title>Big button with gradient (without padding)</title>
<style>
#button {
width: calc(300px + 2 * 30px);
height: calc(80px + 2 * 20px);
background: linear-gradient(blue, green);
border-width: 5px;
border-style: solid;
border-color: red;
border-radius: 10px;
}
</style>
<div id="button"></div>
