diff --git a/src/scss/core/_images.scss b/src/scss/core/_images.scss
new file mode 100644
index 0000000..8b10f8c
--- /dev/null
+++ b/src/scss/core/_images.scss
@@ -0,0 +1,8 @@
+// A class, .img-fluid, shall be used to create responsive images. 
+// Note: having <img> responsive by default can lead to breakage.
+// .img-fluid gives designers more control over sizing.
+// Also, third party widget/plugins are not overriden by default.
+
+.img-fluid {
+  @include img-fluid();
+}