Spaces Between Autocomplete Items

All autocomplete form items look very strange in this theme. When the items come down from the text box, there is a space between each item, showing the background. This makes it very hard to read in some cases. The attached patch simply removes the margin in the autocomplete li element.

For some reason, I can't apply a patch right on this css file. It keeps doing weird thing with the spacing. All I did was add was add the following to the end of style.css:

#autocomplete li {
  margin: 0;
}

If someone could please make a patch that works, that would be great. Thanks.