{{ block title }} <center>   {{player.role}}'s Contribution Stage (Period {{ subsession.round_number }} of
    {{ Constants.num_rounds }})
    </center>
    {{ endblock }}
{{ block content }}

<center>
<form action="/action_page.php">
    <label for="contribution">How much will you contribute to the project (from 0 to 20)?</label>
    <br>
  <input type="text" id="contribution" name="contribution" size="2" max="20" min="0" required><br><br>
</form>
    </center>
<center
    {{ next_button }}
</center>
    {{ include Constants.instructions_template }}

{{ endblock }}