make fsf logo in footer black when printing

diff --git a/css/style.css b/css/style.css
index 6709afeafff8f95e308dc765b6a1b383f4aeaada..3480ac010a1579b634f43184d6999c27e1913546 100644 (file)
--- a/css/style.css
+++ b/css/style.css
@@ -207,3 +207,5 @@ a { transition: 0.3s; }
 
 #fsf-logo-footer { margin-bottom: 10px; }
 
+@media print { #fsf-logo-footer { filter: invert(100%) } }
+