wp-admin-bar-snippets

// Wordpress Admin bar breakpoints
$bp--admin-bar-sticks: 600px;
$bp--admin-bar-gets-taller: 783px;

// Wordpress Admin bar heights
$wp-narrow-offset: 46px;
$wp-wide-offset: 32px;


// Fixed-positioning that accounts for WP admin bar when present
@mixin admin-bar-fixed( $offset: 0 ) {
	$narrow-offset: $wp-narrow-offset + $offset;
	$wide-offset: $wp-wide-offset + $offset;
	// without admin bar present, just use the passed value
	top: $offset;

	.admin-bar & {
		top: $narrow-offset;
		@media screen and (min-width: $bp--admin-bar-gets-taller) {
			top: $wide-offset;
		}
	}
}