{{ define "usercode" -}}
<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>Device authorization</title>
    </head>
    <body style="display: flex; align-items: center; justify-content: center; height: 100vh;">
        <form method="POST" style="height: 200px; width: 200px;">
            <h1>Device authorization</h1>
            <div>
                <label for="user_code">Code:</label>
                <input id="user_code" name="user_code" style="width: 100%">
            </di