2370-small-style-fixes

This PR contains fixes for a few minor CSS/style/text problems described here: 
https://issues.apache.org/jira/browse/COUCHDB-2370

Closes COUCHDB-2370
you can just add the HTML5 `autofocus` attribute to the input field, example:

```
<input type="text" name="section" placeholder="Section" autofocus autocomplete="off">
```