Merge pull request #101 from twbs/institutional-memory

Revert "Images are responsive by default"

scss/mixins/_image.scss

@@ -1,3 +1,19 @@
+// Image Mixins
+// - Responsive image
+// - Retina image
+
+
+// Responsive image
+//
+// Keep images from scaling beyond the width of their parents.
+
+@mixin img-responsive($display: block) {
+  display: $display;
+  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
+}
+
+
 // Retina image
 //
 // Short retina mixin for setting background-image and -size.