override-neat-grid-gutter.scss

// Store the original Neat gutter size.
$orig-fg-gutter: $fg-gutter;
// Temporarily override the Neat gutter.
$fg-gutter: 0.5em;

.some-element {
	@include span-columns(6);
}

.some-other-element {
	@include span-columns(4);
}

// Set the Neat gutter size back to default.
$fg-gutter: $orig-fg-gutter;