title: Selecting checkout button using selenium python did not work
body: <p>For the following html, my code could not select the checkout button, what's wrong going with it?</p>
  
  <p>My code:</p>
  
  <pre><code>browser.find_element_by_id('checkout').click()
  browser.find_element_by_css_selector('input[value="Proceed To Checkout"]')
  </code></pre>
  
  <p>Html:</p>
  
  <pre><code>&lt;div id="itemBasketButtons" class="clearfix"&gt;
  
      &lt;input id="updateOrder" class="button" type="button" value="Save Changes"&gt;&lt;/input&gt;
      &lt;input id="checkout" class="button" type="button" value="Proceed To Checkout »"&gt;&lt;/input&gt;
  
  &lt;/div&gt;
  </code></pre>