html do botao

<!DOCTYPE html>
<html>
    <head>
        <title>Exemplo de botão</title>
        <meta charset="utf-8">

        <link href="https://fonts.googleapis.com/css?family=Open+Sans" rel="stylesheet">
        <link rel="stylesheet" href="btn.css">
    </head>
    <body>
        <a href="http://medium.com/collabcode">Download Currículo</a>
    </body>
</html>