Index: src/wp-content/themes/twentyseventeen/assets/css/colors-dark.css
===================================================================
--- src/wp-content/themes/twentyseventeen/assets/css/colors-dark.css	(revision 39367)
+++ src/wp-content/themes/twentyseventeen/assets/css/colors-dark.css	(working copy)
@@ -474,8 +474,8 @@
 }
 
 /* Fixes linked images */
-.entry-content a img,
-.widget a img {
+.colors-dark .entry-content a img,
+.colors-dark .widget a img {
 	-webkit-box-shadow: 0 0 0 8px #222;
 	box-shadow: 0 0 0 8px #222;
 }