////
// Pattern: Circles & Squares
// License: Pattern from http://www.heropatterns.com
////
$circles-and-squares: "data:image/svg+xml,%3csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M0 0h20v20H0V0zm10 17a7 7 0 1 0 0-14 7 7 0 0 0 0 14zm20 0a7 7 0 1 0 0-14 7 7 0 0 0 0 14zM10 37a7 7 0 1 0 0-14 7 7 0 0 0 0 14zm10-17h20v20H20V20zm10 17a7 7 0 1 0 0-14 7 7 0 0 0 0 14z' fill='{{ fill }}' fill-opacity='{{ opacity }}' fill-rule='evenodd'/%3e%3c/svg%3e";