--light-external-icon: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' width='10' height='10'><path fill-opacity='0' stroke='%23000' stroke-width='10' d='m43,35H5v60h60V57M45,5v10l10,10-30,30 20,20 30-30 10,10h10V5z'/></svg>");
--light-color-scheme: light;
--light-external-icon: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' width='10' height='10'><path fill-opacity='0' stroke='%23000' stroke-width='10' d='m43,35H5v60h60V57M45,5v10l10,10-30,30 20,20 30-30 10,10h10V5z'/></svg>");
--light-color-scheme: light;