fixes #8345: use inline-block on .img-responsive

less/scaffolding.less

@@ -64,7 +64,7 @@ img {
 
 // Responsive images (ensure images don't scale beyond their parents)
 .img-responsive {
-  display: block;
+  display: inline-block;
   max-width: 100%; // Part 1: Set a maximum relative to the parent
   height: auto; // Part 2: Scale the height according to the width, otherwise you get stretching
 }