$susy: (
  columns: 18,
  gutters: 1/4,
  gutter-position: after,
  math: fluid,
)

$susy: (
  columns: 18,
  gutters: 1/4,
  gutter-position: after,
  math: fluid,
);

Add semicolon to susy global settings.
Add semicolon to susy global settings.
