Is it possible to change the size/appearance of my Swiftype search box?
It's possible to customize the width, height, and other styles of your Swiftype search box by using custom CSS. We even have a tutorial that provides some solid tips! You can find that at the following link:
Here's a down and dirty example using inline CSS styling to set fixed width and height values:
<input type="text" class="st-default-search-input" style="width: 300px; height: 150px" />
Also, for a general guide on CSS, W3Schools has a helpful resource here: http://www.w3schools.com/css/css_intro.asp