Quick and ugly changes to the css to make it mobile friendly-ish. Key things if you are editing it yourself are:

header.tpl:

<meta name="viewport" content="width=device-width, initial-scale=1">

results.tpl - in the results div :

style="word-break: break-word;"

see here: https://developer.mozilla.org/en-US/docs/Web/CSS/word-break