<label> Your name
    [text* your-name class:form-control placeholder "name"] </label>

<label> Your email
    [email* your-email class:form-control placeholder "email"] </label>

<label> Subject
    [text* your-subject class:form-control placeholder "subject"] </label>

<label> Your message (optional)
    [textarea your-message class:form-control] </label>

[submit class:btn class:btn-danger "Submit"]