title: can't change the height of a text field in simple_form
body: <p>I've tried </p>
  
  <pre><code>  #Default size for text inputs.  
    config.default_input_size = 10
  </code></pre>
  
  <p>from config/initializers/simple_form.rb</p>
  
  <p>I've also tried <code>&lt;%= f.input :message, :input_html =&gt; {:size =&gt; 10} %&gt;</code></p>
  
  <p>But neither of these change a single thing about how my text fields appear.</p>